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: Forensic Medicine
[{'content': 'Specific for CSF in rhinorrhea: AI 10 \nSelect and explain. \nA. b-2 microglobulin, B. Albumin, C. Macroglobulin, D. b-2 transferrin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. b-2 transferrin', 'role': 'assistant'}]