I think it is D. Too much credit use I might be wrong but im pretty sure its D.
<span>it means : a call to take part in a contest or competition, especially a duel.
SENTENCE : I challenge friends all of the time.
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Well, basically the poem was about how the author asked what happened when a dream is interrupted, or 'deferred'. the author keeps saying, "does it...."
one question- did you read the poem yet?