Answer:
As the answer above suggests, it was the main character's own guilty conscience. As we know, he is... a little mentally unstable. The heartbeat is not from the old man's corpse, it is from his own delusions and insanity from the guilt that he made for himself by murdering the old man in cold blood. Eventually, his guilt from killing the man and his fear of being caught boil over, and he confesses his crime in a dramatic breakdown.
B because if u are from three different ethnicities or races it’s like being from three cultures
Thats where your works cited page comes in, Go to a site called easybib and copy and paste your sites in there, nd add all of them then copy and paste it
its personifacation because the preireie is drawing you in close