----Listen! Is Kitty in the next room?-- No it be Kitty. She has gone to Beijing.A. m

问题补充：

----Listen! Is Kitty in the next room?

---- No, it be Kitty. She has gone to Beijing.

A. may not

B. can’t

C. mustn’t

D. needn’t

答案：

A. may not

(答案→)B. can’t

C. mustn’t

D. needn’t

解析：否定性推测常用情态动词can’t。