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 is a serious adverse effect seen with zolendronate ? \nSelect and explain. \nA. Acute renal failure, B. Ventricular fibrillation, C. Peptic ulcer, D. Anterior uveitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]