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': "All are true about FTA -ABS in Syphilis, except \nSelect and explain. \nA. FTA - ABS becomes negative after treatment, B. Present in secondary syphilis, C. It is a specific test, D. May be positive in Lyme's disease", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]