The nurse is caring for a child with an intellectual disability due to Down's Syndrome. The nurse understands that it is important to provide developmentally appropriate care. Which of the following will help to meet this need?

A. Doing everything for the child may increase dependency and does not promote the child's development. B. Assessing the child's level of mental maturity, self-help abilities, and habits helps the nurse to provide care that is appropriate to the child's developmental level and promotes independence. C. Using chronological age alone does not consider the child's actual developmental abilities. D. Speaking only to the mother ignores the child's ability to understand and participate in their own care, regardless of their level of disability.