The audience were so by his humorous performance that they kept laughing all the time.
A. moved
B. frightened
C. entertained
D. shocked
网友回答
A. moved
B. frightened
(答案→)C. entertained
D. shocked
解析：形容词辨析。A感动的；B害怕的；C快乐的。D震惊的。句意：观众对于他幽默的表演感到如此快乐以至于他们一直笑个不停。根据句意说明C正确。