This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
The most specific autoantibody associated with systemic lupus erythematosus is- 
Select and explain. 
A. dSDNA, B. PCNA, C. Cardiolipin, D. Clq
A: dSDNA
Answer: A: dSDNA 
Explanation: Ref image - Harrison's internal medicine 20e p2517