A.Meat fish and fruits.B.Different insects wild fruits and roots.C.Seal boar whale

外语类 成人英语三级 已帮助 人

A.Meat, fish and fruits.

B.Different insects, wild fruits and roots.

C.Seal, boar, whale meat and fish.

D.Different animals and vegetables.

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