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: Physiology
[{'content': 'It implies an acid base status suggestive of: \nSelect and explain. \nA. Metabolic acidosis and metabolic alkalosis, B. Metabolic acidosis with paial respiratory compensation, C. Respiratory acidosis and paial metabolic compensation, D. Respiratory acidosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Metabolic acidosis with paial respiratory compensation', 'role': 'assistant'}]