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
[{'content': 'Specific antibody for SLE is? \nSelect and explain. \nA. Anti Sm antibodies, B. Anti-ds DNA antibodies, C. Anti-Histone antibodies, D. Anti Ro (SS-A) antibodies', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ref image - Harrison's internal medicine 20e p2517", 'role': 'assistant'}]