The Mother of a 9-Month-Old Infant Is Concerned Because the Infant

The mother of a 9-month-old infant is concerned because the infant cries when approached by an unknown shopper at the grocery store.What is the best response for the nurse to make to the mother?

A) "You could consider leaving the infant more often with other people so he can adjust."
B) "You might consider taking him to the doctor because he may be ill."
C) "Have you noticed whether the baby is teething?"
D) "This is a sign of stranger anxiety and demonstrates healthy attachment."