—How did you like the concert last night ?—I enjoyed it very much, but the dance

题型：不详难度：来源：

—How did you like the concert last night ?
—I enjoyed it very much, but the dancers _____ a better job．

A．could have done	B．must have done
C．could do	D．had done

答案

A

解析

考查情态动词用法，根据句意可知此处为情态动词的虚拟用法，表示对过去的虚拟，所以排除CD。A意为本可以干某事  B，意为一定做了某事
句意为你感觉最晚的音乐会怎么样？----我很喜欢，但是如果舞蹈演员本可以调地更好些。