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: Medicine
[{'content': "Patient with jaundice and white stools. Which of the following enzymes is not raised - \nSelect and explain. \nA. 5' nucleotidase, B. Alkaline phosphatase, C. Glutamate reductase, D. Gamma glutamyl transpeptidase", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]