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: Medicine
[{'content': 'Antibody seen in neonatal Lupus with conduction abnormalities in heart \nSelect and explain. \nA. Anti-nuclear, B. Anti-Ro, C. Anti-La, D. Anti-Histone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Anti-Ro (SSa) -\xa0\nSubacute Cutaneous Lupus.\nNeonatal Lupus.\nCongenital heart block.', 'role': 'assistant'}]