My cousin Andy can play piano very well buy he isnt good at playing basketball.A. the;

问题补充：

My cousin Andy can play piano very well, buy he isn good at playing basketball.

A. the; the

B. /; the

C. the; /

D. /; /

答案：

A. the; the

B. /; the

(答案→)C. the; /

D. /; /

解析：句意:我的表弟Andy弹钢琴弹得很好，但是他不擅长打篮球。乐器的前面必须加定冠词，而球类运动的前面不用冠词，故选C。