It is requested that every student ______ a paper on campus life.

A．The kinds of food that should be eaten every day.
B．Whether to eat food raw or cooked.
C．When to eat food every day.
D．How much food to eat every day.

A．Eat one’s meals at regular intervals.
B．Eat raw or cooked food, but not canned or frozen food.
C．Eat a variety of necessary foods.
D．Eat vegetables and fruits more than meat and cereal.