Final answer:
When selecting a snack, it is best to choose options high in vitamins and minerals, which are micronutrients vital to maintaining good health without adding excessive calories.
Step-by-step explanation:
When choosing a snack, it is important to select a food that contains a large amount of essential nutrients in comparison to the caloric value of the food. The correct answer is B. vitamins/minerals. These nutrients are critical because they do not provide energy but are necessary for maintaining good health and supporting various bodily functions. Vitamins and minerals are micronutrients that the body requires in small quantities, yet they are crucial for a wide range of physiological processes. In contrast, macronutrients like carbohydrates, lipids, and proteins provide energy and are needed in larger quantities.