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': 'Elevated levels of serum glutamic oxaloacetic transaminase is indicative of: \nSelect and explain. \nA. Deficiency of glutamic acid, B. Deficiency of oxaloacetic acid, C. Liver disease, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]