A 4-Month-Old Was Born at 35 Weeks of Gestation

A 4-month-old was born at 35 weeks of gestation. She seems to be developing normally, but her parents are concerned because she is a "more difficult" baby than their other child, who was term. What should the nurse's explanation include?

A) Infants' temperaments are part of their unique characteristics.
B) Infants become less difficult if they are not kept on scheduled feedings and structured routines.
C) The infant's behavior is suggestive of failure to bond completely with her parents.
D) The infant's difficult temperament is the result of painful experiences in the neonatal period.