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
Major Apthous ulcers are seen in 
Select and explain. 
A. Crohn’s disease, B. Behçet’s Syndrome, C. Celiac sprue, D. AIDS
D: AIDS
Answer: D: AIDS 
Explanation: SYSTEMIC DISEASES IN WHICH APHTHOUS ULCERS ARE SEEN