Same Love by Macklemore
Roar by Katy Perry
Thriller by Michael Jackson
C on the 2nd and third sentence
The speaker’s mental state shifts more and more toward madness.
This is because as the poem closes, the word nevermore occurs in more and more depressing situations because it is the only word the raven can say, and the poet asks him questions to which that can be the only answer. These questions become maddening and more depressing as time goes by.