-- Who’s singing in the next room?　　It be her . She went to New York yesterday evenin

问题补充：

-- Who’s singing in the next room?

--- It be her . She went to New York yesterday evening

A. can’t

B. must

C. shouldn’t

D. can

答案：

(答案→)A. can’t

B. must

C. shouldn’t

D. can

解析：从上下文来应是否定意思，can’t不能、shouldn’t 不应该，选a比较恰当。