What is a benefit of responding to a counterargument with a concession? a. Answering a counterargument with a concession helps the writer appeal to readers’ emotions.
b. Using this tactic highlights the writer’s expertise and the opposition’s shallow understanding.
c. Responding with a concession allows the writer to quickly disprove the counterargument.
d. By offering a concession, the author appears reasonable, open-minded, and thoughtful.

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 -

you should ask "yourself is it good enough? "