With Regard to Protein in the Diet of Pregnant Women,nurses

With regard to protein in the diet of pregnant women,nurses should be aware that:

A) many protein-rich foods are also good sources of calcium, iron, and B vitamins.
B) many women need to increase their protein intake during pregnancy.
C) as with carbohydrates and fat, no specific recommendations exist for the amount of protein in the diet.
D) high-protein supplements can be used without risk by women on macrobiotic diets.