HARD (for me) critical reading question HELP

https://app.box.com/s/razto44ckj9pbbib2o5j

Section 4 number 14, 18, and 20

For 14, i would like to know why it is not E
for 18, i would like to know why it is not B
for 20, i would like to know why it is not E
Please explain why.

THANK YOU!!! :slight_smile: :))

You’ll get better responses if you put the excerpt & questions in your post. Digging through a big online .pdf is a pain.