Which of the Following Statements by Caregivers of a Preschooler

Which of the following statements by caregivers of a preschooler would best indicate that the caregivers were paying attention to the teachings of the nurse on how to decrease the incidence of illnesses in their child?

A) "We don't let our child play with other children unless the caregivers assure us they are not ill."
B) "Our child's temperature is taken every morning and every night, and if it is elevated, we call the health care practitioner."
C) "We make certain that our child washes her hands after using the bathroom and before eating."
D) "Our child takes a vitamin pill every day, eats a balanced diet, and takes sufficient fluids."