----Carol Walker didn’t turn up last time ,did she ?
----No .She .We had changed our plan .
A. shouldn’t have e
B. needn’t have to e
C. didn’t need to e
D. needn’t have e
网友回答
A. shouldn’t have e
B. needn’t have to e
(答案→)C. didn’t need to e
D. needn’t have e
解析：C.实际上没必要，也没来。 D.本不必来，但来了。