This piece of music being played at the concertsweet.A. soundsB. listens toC. is soundedD.

问题补充：

This piece of music being played at the concertsweet.

A. sounds

B. listens to

C. is sounded

D. is listened to

答案：

(答案→)A. sounds

B. listens to

C. is sounded

D. is listened to

解析：句意：音乐会上正在弹奏的这首音乐听起来很甜美。sound听起来 B．listen to听……由题意看A最佳。

考点: 考查系动词的用法。