How does the FITT principle apply to the development of a successful personal fitness program? A. The FITT principle helps individuals determine an effective schedule for different exercise activities. B. The FITT principle helps individuals choose the types of activities that will be most enjoyable for them. C. The FITT principle makes it easier for individuals to incorporate lifestyle activities into their fitness programs. D. The FITT principle allows individuals to monitor their progress. Please select the best answer from the choices provided. A B C D