Which of the following methods will help improve the participant's adherence to an exercise program? A. Have the participant engage in the same mode of exercise every day, so he gets into a routine. B. Have the participant engage in a variety of exercise activities, so he doesn't get burned out from doing the same thing every day. C. Every exercise program should include running because the health benefits are so great that the participant will not want to stop exercising. D. If the participant does not enjoy aerobic exercises, you should make sure that his exercise program only has activities that improve muscular fitness.