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': 'The difference between sterilization and disinfection is that: \nSelect and explain. \nA. Disinfection kills all spores but sterilization does not, B. Sterilization kills all spores but disinfection does not, C. Sterilization involves chemicals and disinfection involves physical methods, D. Sterilization is easier to achieve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]