The terms anti or syn addition refers

The terms: anti -  or syn- as an addition to a word, when they occur, are "prefixes" that occur at the beginning of the word.  These prefixes means "without" ; "against" ; or "lacking" .

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i c

yas the answer is c

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 -