The nurse is providing teaching to a group of mothers who are breastfeeding their infants. It is recommended that a 5-month-old exclusively breast-fed baby, will also receive:

A. Supplemental fruit juice is not recommended for infants at this age as breast milk provides the necessary nutrients for growth and development. B. While vitamin C is important, breast milk provides enough for infants. Iron and vitamin D are typically recommended for exclusively breastfed babies. C. Iron supplements alone are not enough; vitamin D is also necessary since breastfed infants may not get enough from breast milk or sunlight. D. It is recommended that breastfed infants receive vitamin D supplements to prevent deficiency, as well as iron supplements after 4-6 months to prevent anemia.