Question

【题目】Tina have known the truth, or she would have told us.

A. mustn't B. shouldn't C. can't D. needn't

Answer 1

【答案】C

【解析】

句意：Tina不可能知道真相，否则她会告诉我们的。mustn’t不要，禁止；shouldn’t不应该；can’t不能，不可能；needn’t不必。根据句意or she would have told us可知，Tina不知道真相，故用can’t表示否定的推测，选C。