Which of these is an advantage of growing legumes?

All of the answers presented below except B are disadvantages of growing legumes, so the correct answer is B. they are nutritious.
Legumes are plants from the family of Fabaceae, like soy, beans, peas, etc. that have an important place in human nutrition due to their high-calorie value and presence of fibers, vitamins and fatty acids in their beans.

Can you write it in english