4. ____ If a total of 2000 kcal a day were consumed (260 grams from carbohydrate, 65 grams from fat,
and 102 grams from protein), what percentage of energy comes from carbohydrate, fat，and protein?
(A) 30% carbohydrate, 50% fat, and 20% protein
(B) 50% carbohydrate, 30% fat, and 20% protein
(C) 20% carbohydrate, 30% fat, and 50% protein
(D) 52% carbohydrate, 30% fat, and 18% protein
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