This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Activity of all of the following enzymes is increased in diabetes state except \nSelect and explain. \nA. Pyruvate carboxylase, B. PEP Carboxykinase, C. Pyruvate dehydrogenase, D. Glucose 6 phosphatase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .', 'role': 'assistant'}]