Answer:
Does a deferred dream shrink and wither?
Explanation:
The above is true due to the fact that <em>dry up like a raisin in the sun can be liked to a dream that shrinks and withers.</em> That is, the dream does not come true, but rather is lost forever due to unfortunate incidences.
I think it is A: It makes clear to the reader that the narrator is making an ironic statement.