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': 'Anti RO bodies are present in all except \nSelect and explain. \nA. SLE, B. Sjogren syndrome, C. Neonatal lupus, D. Mixed connective tissue disorder', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ref image - Harrison's internal medicine 20e p2517", 'role': 'assistant'}]