问题
选择题
Jack _____ yet, otherwise he would have telephoned me.
A．mustn’t have arrived
B．shouldn’t have arrived
C．can’t have arrived
D．needn’t have arrived
答案
C
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”。