Which one of the following vegetables provides four important nutrients—vitamin A, vitamin C, folic acid, potassium—and dietary fiber?

A.Sweet potatoes
B.Carrots
C.Spinach <<<
D.Broccoli

To determine which vegetable provides the four important nutrients listed and dietary fiber, we can examine the nutritional composition of each vegetable and compare it with the given requirements.

First, let's analyze each option:

A. Sweet potatoes: Sweet potatoes are a good source of vitamin A, vitamin C, dietary fiber, and potassium. However, it does not specifically mention folic acid.

B. Carrots: Carrots are known for being high in vitamin A, as they contain beta-carotene which the body converts into vitamin A. They also provide dietary fiber, but they do not mention vitamin C, folic acid, or potassium.

C. Spinach: Spinach is an excellent source of vitamin A, vitamin C, folic acid, and dietary fiber. It also contains a fair amount of potassium.

D. Broccoli: Broccoli is rich in vitamin C, vitamin A, and dietary fiber. However, it doesn't mention folic acid or potassium.

Based on the given information, the vegetable that provides all four nutrients—vitamin A, vitamin C, folic acid, potassium—and dietary fiber is C. Spinach.