The correct answer is a) lipids. Carbohydrates, proteins, and lipids (also known as fats) are the three macronutrients that our bodies require in large amounts for energy and various bodily functions. To find this answer, you can consult a reliable source such as a nutrition textbook or an authoritative website that discusses the basics of nutrition. These sources will typically explain the macronutrients and their importance in our diet.
