题目内容

---There _____ anybody in the room. --- Why do you say so?
--- Because the door is locked.

A.
must not be
B.
can’t have
C.
can’t be
D.
may not be

C
根据答语的内容可知是绝对否定的回答，故选C

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---There _____ anybody in the room. --- Why do you say so? --- Because the door is locked.

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---There _____ anybody in the room. --- Why do you say so?
--- Because the door is locked.