To increase fiber intake, which one of the following choices should be added to a diet plan?
a. fruit juice
b. white rice
c. all-purpose flour
d. legumes

The correct answer is D.

To increase fiber intake you should add legumes to your diet. Legumes are typically seeds of a plant and are beans, lentils, peas and peanuts. They are high in plant based protein and carbohydrates, low in fat and high in fiber. They are a rich fiber food and very healthy for you.