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: Medicine
[{'content': 'Rotten apple smell of breath is associated with: \nSelect and explain. \nA. Liver insufficiency, B. Kidney insufficiency, C. Unbalanced insulin dependent diabetes, D. Respiratory problems', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]