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': 'True about aminoglycoside is all except: \nSelect and explain. \nA. Are bacteriostatic, B. Distributed only extracellularly, C. Excreted unchanged in urine, D. Teratogenic', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]