WHO's singing in the next room?is that ann it___ be her .she is in new york now .A.can't B.must C.shouldn't D.can

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WHO's singing in the next room?is that ann it___ be her .she is in new york now .
A.can't B.must C.shouldn't D.can

选A
因为后面给出了理由,Ann在纽约,所以可以看出肯定不是Ann,所以用can't

A情态动词表推测,不可能只能用can't或couldn't