This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of carbohydrate, Subject name: Biochemistry
[{'content': 'Not an example of substrate level phosphorylation \nSelect and explain. \nA. Phosphofructokinase, B. Succinyl thiokinase, C. Pyruvate kinase, D. Phosphoglyccerate kinase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Repeated question', 'role': 'assistant'}]