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: Surgery
Raynaud’s syndrome occurs in all of the following except: 
Select and explain. 
A. SLE, B. Rheumatoid arthritis, C. Osteoarthritis, D. Cryoglobulinemia
C: Osteoarthritis
Answer: C: Osteoarthritis 
Explanation: None