The answer to the question is B
1. when Poe is showing his own fear and guilt when he is hearing the thumping of a deadman’s heart through the floor boards, and
2. when he tells the reader how slow and careful he was when spying on the old man.
D. Catalyst
A catalyst is a reason for an event to occur.
Chillingworth had been living with Native Americans before appearing in Boston
OK so Charybdis is a Whirlpool it was originally considered a sea monster so the best option to go with will be option D.