问题

If there is the Paragraph 4, what do you think is going to be talked about? 查看材料
A: When people eat their lunch.
B: What to do with the two problems.
C: How to cook food in different ways.
D: Why people eat different kinds of food.
B: What to do with the two problems.
C: How to cook food in different ways.
D: Why people eat different kinds of food.
正确答案是: