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': 'Which of the following drugs is NOT excreted in bile : \nSelect and explain. \nA. Erythromycin, B. Ampicillin, C. Rifampicin, D. Gentamicin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Gentamicin is an aminoglycoside and is excreted via renal route.', 'role': 'assistant'}]