You are answering a USMLE-style medical question. Question: A 19-year-old woman is brought into the emergency department after collapsing during a cheerleading practice session. Her vitals taken by the emergency medical services (EMS) include blood pressure 88/55 mm Hg, pulse 55/min. She was given a liter of isotonic fluid while en route to the hospital. At the emergency department, she is alert and oriented and is noted to be anorexic. The patient fervently denies being underweight claiming that she is ‘a fatty’ and goes on to refuse any further intravenous fluid and later, even the hospital meals. Which of the following is the best option for long-term management of this patient’s condition? Options: A) Cognitive-behavioral therapy B) In-patient psychiatric therapy C) Antidepressants D) Appetite stimulants Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.