I told them that he basketball for Canada.A. playB. playedC. playingD. plays

问题补充：

I told them that he basketball for Canada.

A. play

B. played

C. playing

D. plays

答案：

A. play

(答案→)B. played

C. playing

D. plays

解析：我告诉他们他为加拿大打篮球了。结合语境可知从句描述的是过去发生的动作，故从句用一般过去时态。选B。