Based on Knowledge of Total Body Fluids, a Nurse Is

Based on knowledge of total body fluids, a nurse is especially watchful for a fluid volume deficit in an infant. Why would the nurse do this?

A) Infants have less total body fluid and ECF than adults.
B) Infants have more total body fluid and ECF than adults.
C) Infants drink less fluid than adults.
D) Infants lose more fluids through output than adults.