问题补充：
---Mum, could I play the interesting computer games for a while?
---. You are supposed to be occupied with the coming exam.
A. Go ahead.
B. That’s all right.
C. Better not.
D. It depends
答案：
A. Go ahead.
B. That’s all right.
(答案→)C. Better not.
D. It depends
解析：考查交际用语。句意：——妈妈，我能玩会游戏吗？很有趣的。——最好别玩。你应该全身心准备应考。A、继续；玩吧；B、好吧；C、最好不；D、视情况而定，所以答案选C。
