—Have you invited Alice to our party?
—Yes. But she e; she is busy nowadays.
A. must not
B. might not
C. should not
D. need not
网友回答
A. must not
(答案→)B. might not
C. should not
D. need not
解析：句意：--你邀请爱丽丝来参加聚会吗?—是的，她可能来不了，因为她最近很忙。must not禁止；might not也许不；should not不应该；need not不用，不必。根据句意故选B。