While in College,Ray Gained Several Pounds of Body Fat

Multiple Choice

While in college,Ray gained several pounds of body fat.He wants to use the recommendations of the Dietary Guidelines for Americans,2010 to achieve a healthy body weight.According to these guidelines,he should

A) include 15 minutes of stretching,before and after his workouts.
B) eat grapefruit and other foods that increase the metabolic rate.
C) reduce the time he spends being physically inactive.
D) increase his protein intake while decreasing his carbohydrate intake.