Question

—Hi, Tom, Any idea where Jane is?
— She __ in the classroom. I saw her there just now.

A．shall be

B．should have been

C．must be

D．might have been

Answer 1

C

本题回答语的含义是我刚才在教室里看到他，所以他一定在教室里，猜测的可能性应该是最大，用must来表示，故本题选C。