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: Anatomy
Most common site of Mucosa associated lymphoid tissue (MALT) is _________ 
Select and explain. 
A. Stomach, B. Duodenum, C. Jejunum, D. Ileum
D: Ileum
Answer: D: Ileum 
Explanation: MALT is aggregation of lymphocytes present in ileum.