阅读短文，根据短文内容，从短文后面的五个选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
Health And Exercise
Are you healthy? To find out, ask yourself some questions: Do I exercise every day? Do I ever walk places instead of taking a car or a bus? Do I ever play sports for fun? Do I ever take the stairs instead of the elevator?  , you are probably unhealthy and need to start a fitness program (健康计划).
Exercise is very important. It gives you more energy. , and it can also help control your weight.
The first step is to make a plan. A good plan should be fun. It should include (包括) both your arms and your legs, and it should help you to build the ability to do exercise for a long time. , first you should think about the kinds of activities you like to do, what you think you are able to do, and when you will have time to do it. A good exercise program will include running, biking, swimming, roller skating, playing soccer or tennis, or jumping rope (跳绳).
So what are you waiting for?  . Do yoga (瑜伽), or tai ji. Join a gym or a running club, or just start walking half an hour every day. Every little bit helps!