3.If a total of 2000 kcal were consumed (250 grams of carbohydrates, 66 grams of fat, and 102 grams of protein), what percentage of energy comes from carbohydrates, fat, and protein?
(A)30% carbohydrate, 50% fat, and 20% protein
(B)50% carbohydrate, 35% fat, and 15% protein
(C)20% carbohydrate, 30% fat, and 50% protein
(D)50% carbohydrate, 30% fat, and 20% protein