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': 'Insulin increases the activity of \nSelect and explain. \nA. HMG-CoA reductase, B. HMG-CoA lyase, C. HMG-CoA synthase, D. Thiolase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]