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: Orthopaedics
[{'content': "All are true about rheumatoid arthritis, except \nSelect and explain. \nA. More common in females, B. Elevated CRP, C. Asymmetrical joint envolvement, D. Associated with Fetty's syndrome", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]