Mrs Smith______be at home now .She flew to Hainan this morning.解释句意并说明理由

问题描述:

Mrs Smith______be at home now .She flew to Hainan this morning.解释句意并说明理由
A mustn’t
B can't
C may not
D needn't

B can't 不可能
整句翻译:斯密斯夫人现在不可能在家,她今早飞往海南了.
而其他:mustn't 一定不要,may not 或许不,needn't 没必要 都不符合题意
不明白的再问哟,请及时采纳,多谢!