A Friend Tells You That He Is Going on a Low-Carb

A friend tells you that he is going on a low-carb diet to lose weight because he thinks that carbs contain more energy than fats or protein. What would you tell your friend about his plan?

A) This is a good idea because sugars enter the fuel breakdown pathway earlier than other food molecules.
B) This is a good idea because sugars have more electrons than fats and protein.
C) This is a bad idea because fats contain more hydrogen atoms than carbohydrates and protein.
D) This is a bad idea because all food molecules store the same amount of energy.