单选题 Son. May I play my computer game for an hour?
Father：______
A. You should study harder.
B. I've said before that the game takes too long.
C. Yes, you get it.
D. Sorry, your mother's using the computer now.

【正确答案】 D
【答案解析】[解析] 儿子提出一个要求，父亲没有答应，并给出一个理由。对一个要求的应对可以是同意“Of course，Certainly．”或者不同意“Sorry．”