A.He drank too much coffee last night.B.He has the flu.C.He is nervous about his anthr

外语类 公共英语 已帮助 人

A.He drank too much coffee last night.

B.He has the flu.

C.He is nervous about his anthropology project.

D.He missed dinner last night.

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