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

Q. 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: First carbohydrates, next fats and lastly proteins