Why Is It Necessary to Include Some Carbohydrates in the Diet

Multiple Choice

Why is it necessary to include some carbohydrates in the diet?

A) Carbohydrates are considered a "complete" nutrient.
B) Some carbohydrates contain essential fatty acids.
C) Some carbohydrates contain essential amino acids.
D) Carbohydrates are the only source of energy for the body.
E) The carbohydrate cellulose (fiber) is essential for good health.