A Husband Calls the Nurse's Station Stating That His Wife

A husband calls the nurse's station stating that his wife, who delivered last week, is happy one minute and crying the next. He says, "She was never like this before the baby was born." Which should be the nurse's initial response?

A) Reassure him that this behavior is normal.
B) Advise him to get immediate psychological help for her.
C) Tell him to ignore the mood swings because they will go away.
D) Instruct him in the signs, symptoms, and duration of postpartum blues.