A nurse is teaching a group of parents about accident prevention and safety precautions for preschoolers. Which of the following statements by a parent indicates a need for further teaching?

A. Allowing a child to play with small toys, even in the same room, poses a choking hazard, and parents should avoid giving small toys to preschoolers entirely. B. Ensuring the child wears a helmet when riding a tricycle is a safe practice and shows good understanding of accident prevention. C. Keeping cleaning supplies locked up and out of reach is an essential safety precaution for preventing poisoning and injury. D. Teaching a child to swim and supervising them near water is critical for safety, especially since preschoolers can easily drown.