Answer:
B it’s just a truly valid answer
Hello! I would say the narrator is insane because he can still hear the old man’s heart thumping from underneath the floorboards even after he killed him. His guilt gets the better of him and he turns himself in to the cops. I don’t have any evidence sense I don’t have the story on me, but use something from the story along the lines where he “hears” the thumping of his heart as evidence.
moral principles that govern a person's behavior or the conducting of an activity.
So B,
Hoped I helped :)
