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: Surgery
[{'content': 'Antiseptic technique in surgery was first introduced by: \nSelect and explain. \nA. Joseph Lister, B. Louis Pasteur, C. Robert Koch, D. Antony Van Leeuwenhoek', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]