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': 'A 24-year-old male patient with h/o primary syphilis in the form of genital ulcer & mucocutaneous lesions presents with features suggestive of neurosyphilis in the form of meningitis for which appropriate treatment was started. What will you do for monitoring of treatment - \nSelect and explain. \nA. Venereal disease Research Laboratory test (VDRL), B. TPI, C. FTS-AB, D. ELISA', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]