This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Avoidance of food is seen in \nSelect and explain. \nA. Binge eating disorder, B. Bulimia nervosa, C. Anorexia nervosa, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Avoidance of food is seen only in Anorexia nervosa', 'role': 'assistant'}]