This village is rather poor. What should the government officers do first if they want to __________ it?

A．decide

B．develop

C．describe

D．discover

正当防卫的构成要件有：正当防卫的前提条件是必须存在不法侵害，（）.

A.正当防卫的时间条件是必须针对正在进行的不法侵害

B.正当防卫的对象条件是不法侵害者本人

C.正当防卫的主观条件是正当的防卫意图

D.以上都对