Read the excerpt below from "The Raven" (1845), a poem by Edgar Allan Poe; then answer the question that follows.
Once upon a midnight dreary, while I pondered, weak and weary,
Over many a quaint and curious volume of forgotten lore—
While I nodded, nearly napping, suddenly there came a tapping,
As of some one gently rapping, rapping at my chamber door.
" 'Tis some visitor," I muttered, "tapping at my chamber door—
Only this and nothing more."
In this passage, the repetition of similar word sounds creates a mood of: