I would think your answer is B
Not sure, it isnt A because that isnt what it does, and it is not D because You do that not a metaphor.
I hope this helps good luck.
I think the answer to this is B
The main conflict is internal - the narrator vs. his own deteriorating mind. The fact that he does commit the murder, based on nothing but an adverse opinion of the man's eye, and that he then hears the beating of the heart coming through the floor creates the rising action and suspense.
Joseph Joestars? If so, then your answer is B