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': 'A person who has drunk the anti-freeze of his car is likely to have - \nSelect and explain. \nA. Metabolic alkalosis with normal anion gap, B. Metabolic acidosis with increased anion gap, C. Metabolic alkalosis, D. Respiratory alkalosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]