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: Medicine
[{'content': 'In benign hypertension commonest vascular pathology is - \nSelect and explain. \nA. Atherosclerosis, B. Fatty infilitraion of intima, C. Fibrnoid necrosis, D. Hyaline arteriosclerosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]