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': 'Which of the following most often causes cholestatic jaundice: \nSelect and explain. \nA. INH, B. Erythromycin estolate, C. Pyrazinamide, D. Ethionamide', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Erythromycin estolate', 'role': 'assistant'}]