The answer is B. Racial prejudice had negative psychological effects on those who suffered its injustices.
I think it is D) By the end of the story - no one could believe it - the main character was dead
It illustrates the need for maintaining equality in a society.
It means the person chooses to use more of his emotions to react to a certain situation or resolve issues rather than using logic or brainpower.
Usher tries to explain the nature of his illness; he suffers from a "morbid acuteness of the senses." He can eat "only the most insipid food, wear only delicate garments," and he must avoid the odors of all flowers.
Characters: Roderick Usher
Author: Edgar Allan Poe