Please help me with this question if you can. Please explain, thanks. Honestly to me they all sound true but I’m guessing it must be A. however i dont really know the differences and online isn’t helping much. hopefully someone here can be of help? these all sound true right? =/

How does the nutrient content of breast milk compare to that of infant formula?

a. Breast milk provides nutrients that support immune function that formula does not provide.
b. Breast milk is a better source of iron than is formula.
c. Breast milk is higher in folic acid.
d. Breast milk is a better source of vitamin D than is formula.