教师∶教室∶教育

A． 经理∶市场∶经商

B．军队∶国家∶保卫

C．公务员∶机关∶执法

D． 演员∶舞台∶表演

The agent has probably already handed over you the stowage plan,（）?

A.isn't he

B.doesn't he

C.hasn't he

D.didn't he