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: Biochemistry
[{'content': 'The combination of main supporting enzyme is called \nSelect and explain. \nA. Apoenzyme, B. Coenzyme, C. Holoenzyme, D. Constitutive enzyme', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]