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': 'All of the following drugs are administered orally except- \nSelect and explain. \nA. Ciprofloxacin, B. Cotrimoxazole, C. Gentamicin, D. Amoxicillin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Gentamicin o Aminoglycosides are not used orally.", 'role': 'assistant'}]