During prolonged fasting, in what sequence are the following organic compounds used up by the body?

[A] First carbohydrates, next proteins and lastly lipids

[B] First proteins, next lipids and lastly carbohydrates

[C] First carbohydrates, next fats and lastly proteins

[D] First fats, next carbohydrates and lastly proteins

Answer & Explanation
Answer: First carbohydrates, next fats and lastly proteins