The mother of a hospitalized 3-year-old girl expresses concern because her daughter is wetting the bed. What should the nurse tell her ？（）
A．"It's common for a child to exhibit regressive behavior when anxious or stressed. "
B．"Your child is probably angry about being hospitalized. This is her way of acting out. "
C．"Don't worry. It's common for a 3-year-olcl child to not be fully toilet-trained. "
D．"The nurses probably haven't been answering the call light soon enough. They will try to respond more quickly. "
