One possible theme of "The Raven" is that the hardest part of grief is the fear that we will never be able to see our loved one again, even in the afterlife. Which of Edgar Allan Poe's literary choices below best contributed to this theme.

A. The Alliteration of "grim, ungainly, ghastly, gaunt."
B. The repetition of "Quoth the Raven 'Nevermore'."
C. The allusion to Pallas (Goddess Athena)
D. The metaphor " And His eyes have all the seeming of a demon's that is dreaming."