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': 'When a surgeon wants to send the autopsy specimen for virological examination, it should be preserved in - \nSelect and explain. \nA. 50% glycerine, B. 10% formalin, C. Rectified spirit, D. Saturated solution of common salt', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 50% glycerine is used as preservative to send autopsy specimen for virological examination.', 'role': 'assistant'}]