The nurse is providing nutrition teaching to the parents of a 5-month-old exclusively breast fed infant. Which statement indicates that the parents have understood the teaching?

A. Vitamin D supplementation is recommended for exclusively breastfed infants due to limited amounts in breast milk. Iron supplementation is also recommended after 4-6 months to prevent anemia. B. Vitamin C supplementation is not necessary for a breastfed infant, as breast milk provides adequate amounts. C. Breastfed infants do require vitamin D and iron supplements to support healthy growth and development. D. While iron supplements are important, vitamin D is also needed to prevent deficiencies in exclusively breastfed infants.