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': 'True about drug induced lupus \nSelect and explain. \nA. Anti histone antibody, B. Rare anti-ds DNA, C. Renal involvement, D. all the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref Harrison&;s internal medicine 20e p2517', 'role': 'assistant'}]