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: Pathology
[{'content': '"Onion skin thickening" of aeriolar wall is seen in: \nSelect and explain. \nA. Atherosclerosis, B. Median calcific sclerosis, C. Hyaline aeriosclerosis, D. Hyperplastic aeriosclerosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hyperplastic aeriosclerosis', 'role': 'assistant'}]