The person narrating has committed a murder and shoved the corpse under his floorboards. As some time passes the heart beat is a glimpse into his insanity, and how he is delusional over hearing non existent sounds. He believes he hears the heart of the person he murdered under the floorboards, which is a delusion, most likely made out of paranoia. When the police come to ask about the victim, the man almost fools them until he breaks down and confesses. He expressed annoyance at the victim earlier, saying that he could not get away from their eye, I believe. He tried to solve this by killing them, but his mind would not let him do so by making up false realities.
Explanation: It's telling us about something bad happing to a character it is building a tension between something so the answer is B "using time to build tension"
Answer:"I'm the Whether Man, not the Weather Man, for after all it's more important to know whether there will be weather than what the weather will be
