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': 'Heating and subsequent plating is a method used for isolating - \nSelect and explain. \nA. Corynebacterium, B. Vibrio, C. Salmonella, D. Clostridia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]