Answer:
"Wheels" refers to the wheels of the car beginning to turn as Milo thinks. It also refers to the "wheels" of Milo's mind turning after not doing much thinking for a long time.
The <span>symbol from "A Raisin in the Sun" which most likely represents the refusal to conform to society is letter (</span>D.) Beneatha's hairstyle. In fact, this is the symbol in the play which is considered as the most powerful social declaration. When Beneatha cut her hair it means that she is against assimilation beliefs.
I believe D would be the most reasonable answer for this question given that it has factual information that well suits a topic sentence.