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': '"Tell-show-do" technique of child management was\nintroduced by \nSelect and explain. \nA. Bandura, B. Addleston, C. Coope, D. Wright', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]