The Mother of a 7-Month-Old States, "The Baby Is Eating

The mother of a 7-month-old states, "The baby is eating food now. Should I give him regular milk, too?" The nurse would respond:

A) "You should give the baby low-fat milk."
B) "Try the milk. See if he has any digestive problems."
C) "Continue breast milk or iron-fortified formula until 1 year of age."
D) "At this age, infants can tolerate a lactose-free or soy-based milk."