Which of the following diets is lacking in nutritions that provide energy to the body

A diet that is rich in dairy but lacking carbohydrates is lacking in nutrients that provide energy to the body.

Carbohydrates are the main nutrients that provide energy. When digested they provide glucose and glucose is transported around the body via blood and taken into cells to be converted into energy. It is recommend that about 50 to 55% of total daily calories should consist of carbohydrates.

all the above is what i would say