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': 'Most common site of aoic aneurysm rupture is \nSelect and explain. \nA. Descending thoracic aoa, B. Arch of aoa, C. Aoic Root, D. Infrarenal aoa', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer- D. Infrarenal aoaRuptured aneurysm is the most common cause of aoic rupture and they are most common in the abdomen.', 'role': 'assistant'}]