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: Pathology
[{'content': 'Major Apthous ulcers are seen in \nSelect and explain. \nA. Crohn’s disease, B. Behçet’s Syndrome, C. Celiac sprue, D. AIDS', 'role': 'user'}, {'content': 'Answer: D \nExplanation: SYSTEMIC DISEASES IN WHICH APHTHOUS ULCERS ARE SEEN', 'role': 'assistant'}]