What form of irony is being used in this situation? The audience witnesses the murderer enter a home and go upstairs. Shortly
afterward, the homeowner comes home and goes upstairs.

Dramatic Irony.

Explanation:

Dramatic irony is when a scene occurs which the main character is not acknowledged of what is/has happened.

The correct answer would be B. Guilt because in Edgar Allan Poe’s “The

Tell-Tale Heart,” the beating of the heart that narrator hears is symbolic for

the guilt the narrator feels for having murdered the old man.  Evidence of his guilt is presented early in

the short story by how the narrator tells us that he “had to do it” as if he

had no other choice, which seems to be a sort of defense mechanism to make

himself feel better about killing the old man. 

Finally, it is within the presence of the police that the beating heart

only he hears is what makes him confess to the crime because it was getting too

great for him to bear any longer.

Hope I helped.