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: Pharmacology
[{'content': 'A patient suffering from syphilis is given penicillin. He may develop \nSelect and explain. \nA. Cholestatic Jaundice, B. Grey syndrome, C. Fanconi Syndrome, D. Jarish — Herxheimer reaction', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]