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': 'BCG is used for : \nSelect and explain. \nA. Treatment of tuberculosis, B. Treatment of superficial bladder cancer, C. Treatment of anthrax, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: BCG is used for immunization against TB. It is also used for the treatment of superficial bladder cancers. It is directly in\xadstilled in the urinary bladder for this purpose.', 'role': 'assistant'}]