The music she is dancing sounds beautiful.A. by whichB. to whichC. with whichD. at which

问题补充：

The music she is dancing sounds beautiful.

A. by which

B. to which

C. with which

D. at which

答案：

A. by which

(答案→)B. to which

C. with which

D. at which

解析：考查定语从句。句意她伴着跳舞的音乐听起来很美。固定短语dance to the music随着音乐起舞。故选B。