A Parent Questions the Nurse About Her 5-Year-Old Who Has

A parent questions the nurse about her 5-year-old who has begun to masturbate and question the parents about sexual differences among the child's peer friends. The nurse, familiar with Freud's stages of development, responds by saying:

A) "Let's make sure to ask your doctor at the next appointment."
B) "All children are curious, but make sure the child knows that this behaviour might be offensive to others."
C) "You should probably consult a child psychologist if you're this concerned."
D) "This behaviour is a normal part of your child's development."