This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Most common site of symptomatic intracranial aneurysm repture is? \nSelect and explain. \nA. SAH, B. SDH, C. EDH, D. Putamen', 'role': 'user'}, {'content': "Answer: A \nExplanation: Harrison's principles of internal medicine 17th edition. * Excluding head trauma the most common cause of SAH is rupture of intracranial aneurysms Subarachnoid hemorrhage (SAH) is a life-threatening type of stroke caused by bleeding into the space surrounding the brain. SAH can be caused by a ruptured aneurysm, AVM, or head injury", 'role': 'assistant'}]