To Promote Gains in Muscle Mass, a Strength-Trained Athlete Could

To promote gains in muscle mass, a strength-trained athlete could consume ________ within the first 1 or 2 hours after a weight-lifting workout.

A) 2 cups of plain yogurt with 1 cup of fresh blueberries
B) 1 large bagel with 2 tablespoons of cream cheese
C) 1 bag of microwave popcorn
D) 4 ounces of sirloin steak