[Postponing it because of stormy weather,] the D-Day invasion of France began at 6:30 A.M on June 6, 1944.
A: Postponing it because of stormy weather,
B: It being postponed due to stormy weather,
C: Having been postponed because of stormy weather,
D: Stormy weather had postponed it, because of this
E: Due to stormy weather postponing it,
I know that C is the answer but how can I use having been (present tense) with an event that happened in the past?
USAGE OF THE PERFECT GERUND “HAVING BEEN”:
The perfect gerund “having been” denotes a state or condition that no longer subsists at the time of speaking, as in the following examples:
- “Having been a student journalist is a big advantage to mass communication majors.” (perfect gerund as subject of the sentence)
- “The former long-reigning monarch hated having been deposed.” (perfect gerund as direct object of the verb)
- “Edna seldom talked about having been a beauty queen.” (perfect gerund as object of the preposition “about”)
http://josecarilloforum.com/forum/index.php?topic=1678.0
Thank you @bodangles this is really useful
Although not nearly as clinical in its clarification, choice C is also the only option that avoids the non-specific “it”.
Q.The people (sitting behind me) in the movie theatre were talking throughout the film and (would not) keep( their voice) down even after being asked (to do so).(No error)
Q.The number of traveler (which reached) the Americas,by accident or design,(well before) columbus (is) enormous,if we are to believe every claim.(No error)
Q.The bactrian camel (is) well adapted to the extreme climate of its native Mongolia,(having) thick fur and underway that (keeps) it warm in winter (and also) insulate against summer heat.(No error)
Please answer these questions and let me know why that option is correct.Thanks!
Okay there are several typos in your questions that AREN’T any of the choices, so could you make sure they’re retyped correctly?
Q.The people (sitting behind me) in the movie theatre were talking throughout the film and (would not) keep( their voice) down even after being asked (to do so).(No error)
Did they all have one collective VOICE, or did the multiple people have multiple VOICES? (Or is that just a typo?)
Q.The number of traveler (which reached) the Americas,by accident or design,(well before) columbus (is) enormous,if we are to believe every claim.(No error)
You can’t use “which” in non-restrictive clauses (not necessary to the sentence) without commas. Correct examples: The number of travelers who reached the Americas… or The number of travelers that reached the Americas… or The travelers, who reached the Americas, …
Q.The bactrian camel (is) well adapted to the extreme climate of its native Mongolia,(having) thick fur and underway that (keeps) it warm in winter (and also) insulate against summer heat.(No error)
I’mma go with no error.
“voice” wasn’t a typo.Now I know that it “voices”.Thanks!
There’s a typo in my question related to the bactrian camel.It’s underwool and not underway.The answer is “keeps”.Is this because"underwool" is plural? 
I would guess that it’s not that “underwool” itself is plural, but that “fur and underwool,” together, are plural. That’s still a really dumb sentence and “underwool” has so few Google results that I don’t believe it’s an actual word. 
Yes, “fur and underwool” is clearly a compound subject and thus plural.
The verb form of “Keeps” should match that of insulate; therefore it should be “Keep.”
That is true! Given the number of typos in places other than the answer choices, I think my first assumption was that “insulate” was actually supposed to be “insulates.” Hard to tell what’s an unintentional error and what’s an intentional one.
I still maintain that “underwool” should absolutely not exist. 
Underwool is an usual word, but I don’t think its a typo; it appeared in a 2011 thread too.
It’s there in the January 2010 official SAT paper.