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': 'Hepatitis C virus is associated with \nSelect and explain. \nA. Churg-strauss syndrome, B. Hypersensitivity Vasculitis, C. Cryoglobulinemic Vasculitis, D. Polyarteritis nodosa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Polyarteritis nodosa - Hepatitis B associated.\nCryoglobulinemic Vasculitis - Hepatitis C associated.', 'role': 'assistant'}]