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 citric acid cycle is the final pathway for oxidation of \nSelect and explain. \nA. Enzymes, B. Vitamins, C. Minerals, D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]