This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'Drugs used in the treatment of rhinoscleroma include all except: \nSelect and explain. \nA. Streptomycin, B. Ciprofloxacin, C. Tetracycline, D. Erythromycin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Drugs used for treatment of rhinoscleroma are streptomycin (1g/day), ciprofloxacin (Ig/day)or tetracycline (2g/day). Treatment is continued till clinical improvement and negative tissue cultures are obtained.', 'role': 'assistant'}]