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: Social & Preventive Medicine
[{'content': 'Pasteurization by Holder method is heating milk at \nSelect and explain. \nA. 60° C for 45 minutes, B. 100° C for 15 minutes, C. 65° C for 30 minutes, D. 136° C for 15 minutes', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Methods of Pasteurization:', 'role': 'assistant'}]