At least how many people have been injured?A.25.B.30.C.45D.50

外语类 正确答案 已帮助 人

At least how many people have been injured?

A.25.

B.30.

C.45

D.50

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