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': 'Which is most specific for Alcholic liver disease \nSelect and explain. \nA. AST, B. ALT, C. GGT, D. ALP', 'role': 'user'}, {'content': 'Answer: C \nExplanation: AST: ALT ratio of\xa0 3:1 is highly specific\nNext is GGT', 'role': 'assistant'}]