Question

--- Why is Jenny still standing there? It’s so cold.
—She _____ for someone.

A．can wait

B．might have waited

C．must be waiting

D．should have waited

Answer 1

C

考查情态动词中时态的使用。根据上文可知是在描述现在的动作，因此用情态动词+进行时，同时考查情态动词的含义，表示有把握的推测用must。