---She in the classroom. I saw her there just now.

A. shall be

B. should have been

C. must be

D. might have been

【答案】C

【解析】根据语境知道问现在在哪里，而第二句话是指我刚才见到他在教室里，由此可以肯定，她现在一定在教室里，是对现在的肯定推测。