My grandpa is 93 years old this year. He is very healthy and looks young. Many people ask him why he is so healthy. Grandpa says good diet is very important to everyone. Grandpa has three meals a day regularly . He often eats lots of vegetables and fruit. He never drinks or smokes . He says they are bad for health. After he gets up in the morning, he often drinks a cup of water. And before he goes to bed in the evening, he has a cup of milk. He says everyone should drink some water before breakfast. Grandpa has a good lifestyle, too. He likes sports. He likes playing ping-pong and badminton. Sometimes he goes swimming. He goes running every day before breakfast, too. He says exercise can help a person keep healthy and strong. Grandpa likes watching TV. But he only watches TV in the afternoon. He doesn't watch too much TV. Many old people like playing Majon, but grandpa doesn't. He says sitting in the chair for long time is not good for health. What makes grandpa so healthy? A) Only a good diet B) Eating three meals regularly. C) A good diet and lifestyle. D) Sports activities.
A:
C