It was said that no one was ever bored him perform; his subtle acting made everything .A.

问题补充：

It was said that no one was ever bored him perform; his subtle acting made everything .

A. watching; entertaining

B. to watch; to entertain

C. watching; entertained

D. to watch; entertaining

答案：

(答案→)A. watching; entertaining

B. to watch; to entertain

C. watching; entertained

D. to watch; entertaining

解析： 看着他表演，现在分词做时间状语，to do表目的。第二空使一切令人愉快，entertained感到愉快，修饰人因此选A。