——Dad why should I stop computer games?——For your health my boy. A. to playB. playingC.

问题补充：

——Dad, why should I stop computer games?

——For your health, my boy.

A. to play

B. playing

C. play

D. played

答案：

A. to play

(答案→)B. playing

C. play

D. played

解析：句意：爸爸，为什么我应该停止玩电脑游戏？——为了你的健康，我的孩子。Stop后接动名词表示停止正在进行的动作，接动词不定式表示停下来去做另一件事情，故选B。