Read the following article and answer the question. Article: Everyone wants to be healthy. We know food is very important to us. There is an old saying-----"An apple a day keeps the doctor away." There is lots of healthy food in our life. Fruit and vegetables are healthy food, but hamburgers and candy are not healthy food. So you can have more bananas, apples, oranges, tomatoes and onions. They are good for us. But you'd better not have hamburgers or candy. They are bad for us. For drinks, juice and milk are healthy but Coke isn't healthy. Ice cream isn't good either. Healthy food can drinks make us strong and happy. Question: What does the writer want to tell us? Answer:

(A). All the food is good for us.;
(B). We should eat more food.;
(C). We should eat more healthy food.;
(D). We should have more hamburgers.;
(C).