A is incorrect. Eating nothing but fruits will not provide you with the right amount of carbohydrates and proteins everyday. C is incorrect. It is not enough that we eat one of each food group since we have target calories per food group. D is incorrect since calcium is not only what our body needs. B is correct, we have target number of calories each day in our diet.
Penny develops severe headaches twice a week. Because Penny is abusing steroids which means she taking way to much and since she's doing that; she having frequent headaches.