Read these lines from edgar allan poe's "the raven."

and his eyes have all the seeming of a demon's that is dreaming, and the lamp-light o'er him streaming throws his shadow on the floor: and my soul from out that shadow that lies floating on the floor shall be lifted—nevermore!

according to "the philosophy of composition," what was poe trying to show in this stanza?

a. that the raven will forever be a symbol of the speaker's loss
b. that the raven is a reincarnation of the speaker's lost love
c. that the speaker is going to die of a broken heart
d. that the speaker will keep the raven as a pet to remind him of lenore