A nurse is planning care for a toddler who was admitted for acute diarrhea. Which of the following actions is the nurse's priority?

A. IV fluid therapy may be necessary if the child cannot tolerate oral fluids, but oral rehydration therapy is the first line of treatment for mild to moderate dehydration. B. Administering a regular diet is important for recovery but is not the priority action when addressing acute dehydration. C. IV antibiotics are not typically necessary for acute diarrhea unless there is a confirmed bacterial infection. D. Initiating oral rehydration therapy is the priority to address dehydration and replace lost fluids and electrolytes effectively.