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': 'All are features of Acute Renal Failure (ARF) except - \nSelect and explain. \nA. Hypotension, B. Metabolic acidosis, C. Hyperkalemia, D. Hypertension', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]