This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
[{'content': "Meckel's derived from; \nSelect and explain. \nA. Proximal part of VID, B. Distal part of VID, C. Entire VID, D. Urachus", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) Proximal part of VIDRef: Sabiston 20th edition, Page 1284* Meckel's diverticulum results from incomplete closure of proximal VID* Raspberry tumor (Umbilical adenoma) is persistence of distal VID", 'role': 'assistant'}]