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
Meckel's diveiculum arises from: 
Select and explain. 
A. The foregut, B. Caecum, C. Colon, D. Ileum
D: Ileum
Answer: D: Ileum 
Explanation: Ileum