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': 'Major manifestation of rheumatoid fever is all except: \nSelect and explain. \nA. Carditis, B. Polyarthritis, C. Subcutaneous nodules, D. Arthralgia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]