43.No matter how frequently _A_,the works of Beethoven always attract large audiences.

问题描述:

43.No matter how frequently _A_,the works of Beethoven always attract large audiences.
A performed B performing C to be performed D being performed
为什么选A?

表被动,作品被表演,同时不是表示动作,表结果,或者一般.夺以否认d