Final answer:
Combination C, which includes 2 cups of spinach, 1 pear, and 1 medium potato, offers a wide spectrum of nutrients by combining dark green vegetables, fruit, and a starchy vegetable.
Step-by-step explanation:
The combination of servings that is likely to provide the widest variety of vitamins and minerals is C. 2 cups raw spinach, 1 medium pear, 1 medium white potato. This selection includes dark green vegetables (spinach), a fruit (pear), and a starchy vegetable (white potato), thus covering different food categories recommended for a balanced intake of nutrients. Spinach is rich in iron, calcium, and vitamins A, C, and K. Pears provide dietary fiber and vitamin C. White potatoes contribute complex carbohydrates, vitamin C, and potassium.