The mother of a 2-year-old child tells the nurse that her baby is using a potty seat but is still having problems toilet-training. Which of the following suggestions by the nurse would he most appropriate
A．Offer the child more praise each time.
B．Use a potty chair instead of a potty seat.
C．Focus on the "accidents" that occur during training.
D．Defer training until the child is developmentally ready.