单选题 W: How did you do with your essay for Professor Black Scott?
M: ______

A、 Everything is OK. But I failed to finish it.
B、 Professor Smith Scott didn"t work successfully enough to let me believe in him.
C、 Nonsense. It"s not your business.
D、 Not too bad, it took me almost 10 hours.

【正确答案】 D

【答案解析】