Read the excerpt from "the tell-tale heart.”

if still you think me mad, you will think so no longer when i describe the wise precautions i took for the concealment of the body. the night waned, and i worked hastily, but in silence. first of all i dismembered the corpse. i cut off the head and the arms and the legs.

what feature of gothic literature does the excerpt include?

a. an exploration of rational and irrational behavior

b. a study of strong emotions

c. a description of unexplained events

d. an examination of fear