【单选题】

One-year-old Susan, the second child to have sickle cell disease in a family of five children, is admitted to the hospital with sickle cell crisis. When preparing the plan of care for her, which of the following treatments would the nurse most likely expect to include in the plan

A、Intravenous fluid therapy.
B、Fast-acting anticoagulant therapy.
C、Parenteral iron therapy.
D、Exchange transfusion.