What is the effect of the last stanza mimicking the first ?
excerpt from the raven (excerpt)

D)The tapping, which was seemingly innocent, is now seen as mysterious by the speaker.

In the first stanza, the speaker heard the tapping which woke him from his nap and muttered about how there must be a visitor. It's clear though, from the last stanza that there is some sort of mystery about because when he went to the door there was no one there. 

hello,

your answer is a) the metaphor suggests that the poetic themes are serious and dark.

collins is comparing the poem to a dark room. he is suggesting that the poems theme is serious and wants you to understand it. you don't need to understand the poet in order to understand the poem. you also don't need to move around while reading it. he is simply saying the poem has a dark and serious theme.

- i.a -

an interrogative sentence is a type of sentence that asks a question, as opposed to sentences that make a statement, deliver a command, or express an exclamation. interrogative sentences are typically marked by inversion of the subject and predicate; that is, the first verb in a verb phrase appears before the hope i