He has a son who football very well.A. playB. playingC. playsD. played

问题补充：

He has a son who football very well.

A. play

B. playing

C. plays

D. played

答案：

A. play

B. playing

(答案→)C. plays

D. played

解析：句意：他有一个足球踢得非常好的儿子。结合语境可知下文定语从句中描述的是客观性动作，故谓语动词用一般现在时态，主语who表示单数含义，故谓语动词用单数，选C。