In order to recover as soon as possible, light light can eat more.

A, French fries are rich in starch, fried dough sticks are rich in fat, and protein and iron are less. A is wrong.

B, liver and milk are rich in protein and iron. Eating more can prevent anemia. B is right.

C. Vegetables and fruits are rich in vitamin C, which can prevent scurvy.

D. Fat meat and peanuts are rich in fat. D is wrong.

So choose: B.