Answer: 2- The poet repeats the word “perched” to show that the raven is threatening to the speaker, and this contributes to the mood of powerlessness in the poem.
Explanation: repetition is a literary device that consists in repeating certain words or phrases in a sentence or paragraph, in order to create an impact in the reader. In the given excerpt from "The Raven" we can see an example of the repetition of the word "perched" this shows that the raven is threatening to the speaker (it is always watching the speaker) and this contributes to the mood of powerlessness in the poem (because the speaker doesn't seem to be able to do something to stop the raven from watching him).
The person who wrote this is Robert Frost
sum stuff season regret didfix itself special