A.To study a subject or to join in a cultural activity.B.To become a member of the gov

外语类 公共英语 已帮助 人

A.To study a subject or to join in a cultural activity.

B.To become a member of the government appointed by the parliament.

C.To demand more financial support from the government.

D.To upgrade their knowledge at school.

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗