— Jenny, let’s go to the party tonight.

— ______ I have a lot of homework to do.

A．Good idea.

B．Why not?

C．I think so.

D．I’m sorry.

下列哪些行动属于第二炮兵的威慑行动（）。

A、舆论造势

B、机动造势

C、实力展示

D、实战准备

E、演习发射