Answer:
It came out of the night and invaded the room.
I think it is Alliteration
A. It says in the passage that they declined the preposition
The main theme is the fragility of sanity, guilt versus innocence, and the unrelenting passage of time. The fragility of sanity: the narrator's attempt to prove his sanity, his erratic mannerisms while he explains his meticulous plans for killing the old man only prove his madness.
