The correct answer is affect.
The process of studying your subject from many angles is called cubing.
Answer:
He was taken (abacked) when he found a snake in my room
A. Yesterday, Leo had a __more difficult__ time sleeping than today.
B. is incorrect because it is incorrect to say one has "a difficultly time" doing anything; you have "a difficult time" doing something.
C. is incorrect because you can not say "most" when comparing something to something else; you can either say "It was the MOST difficult" or "It was MORE difficult than that."
A playwrights might use a meter because he/she might want the audience to be aware or laugh