Which is the purpose of a topical paragraph?
a to arouse or sustain interest
b to make a transition
c to state a main idea and support it
d to indicate dialogue

where are the sentences? post a picture

answer: "the beating heart symbolizes the narrator's conscience, or his sense of guilt and wrongdoing" so its b

explanation:

"to look at him, or hear him describe it, he had no guilt. however, poe decided to symbolize this man's subconscious guilt through the heartbeat."