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': 'Digoxin can accumulate to toxic levels in patients with ? \nSelect and explain. \nA. Renal insufficiency, B. Chronic hepatitis, C. Advanced cirrhosis, D. Chronic pancreatitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]