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
All are true about rheumatoid arthritis, except 
Select and explain. 
A. More common in females, B. Elevated CRP, C. Asymmetrical joint envolvement, D. Associated with Fetty's syndrome
C: Asymmetrical joint envolvement
Answer: C: Asymmetrical joint envolvement 
Explanation: None