No matter how freqkuently___,the works of Beethoven still attract people all over the world.

问题描述:

No matter how freqkuently___,the works of Beethoven still attract people all over the world.
空格处应填A.performed B.performing C.to be performed D.being performed这四 个中的哪一个

D后置定语 ,同时又是被动
A为过去被动
C为将来被动
D为现在被动