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': 'An arterial blood gas report of pH 7.00 ; PaO2 60 mm g; PaCO2 80 mm Hg; HCO328? \nSelect and explain. \nA. Respiratory acidosis with normoxaemia, B. Metabolic acidosis with normoxaemia, C. Metabolic acidosis with hypoxaemia, D. Respiratory acidosis with hypoxaemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]