The Nurse Finishes a Series of Parenting Classes on the Topic

The nurse finishes a series of parenting classes on the topic of tantrums and discipline. Which comment by an attending parent causes the nurse concern?

A) "We have learned to ignore her and she stops."
B) "I will give snack and a nap if he is that grumpy."
C) "He plays and then suddenly screams for no reason."
D) "She is learning that a tantrum means a time-out alone."