A serving of food supplies 18 g protein, 20 g carbohydrate, 7 g fat, 18 mg vitamin E, 2 mg iron, and 100 g water. Which of the following statements is true about a serving of the food?
A. Carbohydrate provides the most food energy.
B. Vitamin E provides the most food energy.
C. Fat provides about 75% of total calories.
D. Fat provides the most food energy.
Answer: A
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