Please answer the following question: You are what you eat Keeping better eating habits can help you have less illness. A healthy eating plan means choosing the right food to eat and cooking food in a healthy way.  _  Do you often change your toothbrush? Maybe you think it is unnecessary. A study shows old toothbrushes bring disease . You should often change your toothbrush. Exercise Swimming, cycling, jogging, skating, 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 right meal for lunch. Follow a healthy diet. From the passage, we know   _   can help us stay healthy. A) right diet B) exercise and right diet C) sleep D) exercise
Answer:
B