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': 'High anion gap metabolic acidosis is/are present in: \nSelect and explain. \nA. Asthma, B. COPD with CO2 retention, C. Poorly controlled diabetes, D. Renal tubular acidosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. Poorly controlled diabetesKetoacidosisDiabeticAlcoholicStarvation', 'role': 'assistant'}]