Why could the Raven's repetition "nevermore" of the phrase be driving the man towards anger?

(a) the man is dealing with the lost of his dad and the phrase could be seen as mocking
(b) the man is dealing with the lost of his mom and the phrase could be seen as mocking
(c) the man is dealing with the lost of his son and the phrase could be seen as mocking
(d) the man is dealing with the loss of his love and the phrase could be seen as mocking