It is really quite extraordinary that we______at the same college without having met before. A．must have been B．might have been C．should have been D．could have been
A. A．must B.might C.should D.could
【参考答案】
C 句中情态动词should的意思不是'应该'，而是'竟然'，表示吃惊的含义。题句的意思是：我们呆在同一个大学，......