Help with these couple of Writing MCQs

Test Preparation
1

<p><a href="http://i.imgur"&gt;http://i.imgur&lt;/a>. com/mRWozLU.png (Remove spaces)
Answers: B and B</p>

<p>I reckon the second one has to do with the fact that "each" is the subject therefore it should be has, although "Each of the rooms have internet connection..." seems correct to me. I'm also assuming that the first question, re-worded, would be "The huge boulders stand along the edge of the trail", but wouldn't "Along the edge of the trail stands huge boulders" be correct as well?</p>

<p><a href="http://i.imgur"&gt;http://i.imgur&lt;/a>. com/TtkzgO4.png
Answer: A</p>

<p>I have absolutely no idea how A is correct and how A even makes sense at all. I've never seen a sentence written like this before.</p>

2

<p>1st image: boulders=plural=stands, each=singular=has. </p>

<p>2nd image: Well process of elimination makes A the clear answer choice. As for how to figure it out by itself…</p>

<p>I’m not 100% sure, so someone else might want to look at it.</p>

<p><<just as,="" so="">> expresses likeness. Just as I had a habit, so you started to have it too. Just as his mom had that bad habit, so Andrew had started to have it too.</just></p>

<p><<so>> is usually expressing causal relationships. Perhaps the parental activity caused a likeness in Andrew.</so></p>

<p>(Just as) His mom had a habit, so Andrew started to have the habit. The big question is whether <<just as="">> can be ignored. </just></p>