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: Pathology
[{'content': 'Auramine and rhodamine staining are used for : \nSelect and explain. \nA. Nocordia., B. Spirochaetes., C. Rapid diagnosis of TB, D. All of the above.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]