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: Microbiology
[{'content': 'Asepsis means - \nSelect and explain. \nA. Absence of pathogenic microbes, B. Disinfection of the surface, C. Prevention of infection, D. Destroying all forms of micro organism', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]