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: Dental
[{'content': 'Disposal of placenta at PHC is: \nSelect and explain. \nA. Dry burning, B. Deep burial, C. Boiling, D. Treat with bleaching powder and burial', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]