"Why did Leonard decided not to go to the lecture?" is a a question because it is asking why, therefore it should have the question mark.
Poe uses rhyme to create a nostalgic mood.
Most of Poes works are dark and mysterious. There are a few that are nostalgic, so based upon this, Im going with nostalgia.
Affective cause that's like an influence
B- Visual, because plays/movies or whatever the script is for is a visual.