They like after school.A. playing the basketballB. play basketballC. to play the basketba

问题补充：

They like after school.

A. playing the basketball

B. play basketball

C. to play the basketball

D. playing basketball

答案：

A. playing the basketball

B. play basketball

C. to play the basketball

(答案→)D. playing basketball

解析：句意：他们喜欢放学后打篮球。like doing sth.喜欢做某事。play basketball打篮球。故选D。