Rachel wants to improve her body composition by reducing her BMI. She swims with her friends after school two days a week and eats a well-balanced diet. What else should she do to ensure that she properly applies all the necessary FITT principles in her plan?

A

She should add more cardiovascular training and weight training to her exercise routine and eat several low-calorie meals throughout the day.

B

She should increase her swimming workouts to five days a week and eat a high-calorie diet that equals 2,500 calories.

C

She should add a few days of weight training to her exercise routine and consume 4,000 calories a day.

D

She should eat a high-protein, low-carbohydrate diet and add five days of weight training to her exercise routine.