Question

Jack ________ yet, otherwise he would have telephoned me．

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A．mustn’t have arrived

B．shouldn’t have arrived

C．can’t have arrived

D．needn’t have arrived

Answer 1

答案：C
提示：

根据第二分句“否则的话他就会给我打电话了”可知“Jack肯定还没到”，“can’t＋完成式”意思是“根本不可能”。