Please answer the following question: Read the article and select the best answer. Article: Keeping better eating habits can help you reduce disease. _ means choosing the right foods to eat and preparing foods in a healthy way. _ Do you often change your toothbrush? Maybe you think it is not necessary. A study shows old toothbrushes bring disease. You should often change your toothbrush. Exercise Swimming, running, skating, skiing, dancing, walking and some other activities can help you stay healthy. You should exercise at least three times a week and for twenty minutes or more each time. Do it. Plan out your life You should have breakfast before you go to school. Have a proper meal for lunch. A proper diet can also help you stay healthy. Question: From the passage, we know _ can help us stay healthy. Options: A: proper diet B: exercise C: sleep and exercise D: proper diet and exercise
Answer:
D