How many calories are in each gram of carbohydrate, protein, and fat?

• A. Carbohydrate 4 kcal/g, Fat 9 kcal/g, Protein 4 kcal/g
• B. Fat 9 kcal/g, Carbohydrate 4 kcal/g, Protein 4 kcal/g
• C. Carbohydrate 4 kcal/g, Protein 4 kcal/g, Fat 9 kcal/g
• D. Carbohydrate 4 kcal/g, Protein 9 kcal/g, Fat 4 kcal/g

Answer: (C)