贝多芬的交响曲中被称为“命运交响曲”的是（）。

A.第三交响曲

B.第五交响曲

C.第六交响曲

D.第九交响曲

He did not regret saying what he did but felt that he         it differently. [ ]

A. could express  

B. would express    

C. could have expressed      

D. must have expressed