I saw him the game on the computer yesterday evening.A. playedB. playingC. playD. to play

问题补充：

I saw him the game on the computer yesterday evening.

A. played

B. playing

C. play

D. to play

答案：

A. played

(答案→)B. playing

C. play

D. to play

解析：句意：我昨天晚上看见他正在玩电脑游戏。see sb. doing sth 是指”看见某人正在做某事”，不是全过程，表示动作正在进行；see sb. do sth 是指”看见某人做过某事”是看着事情的发生全过程， 是看见某人做某事。故选B。