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: Surgery
[{'content': 'In obstruction of the large gut rupture occurs at the \nSelect and explain. \nA. Cecum, B. Ascending colon, C. Transverse colon, D. Descending colon -', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]