This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'The most impoant step in health education of a community is - \nSelect and explain. \nA. Contact with doctors, B. Community discussion, C. Announcements to the community by loud speakers, D. Knowledge of local needs', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The focus of health education is on the people and on action.It&;s goal is to make realistic improvements in the basic quality of life.Many health education programs hope, in some way, to influence behavior or attitudes (refer pgno:858 park 23 rd edition)', 'role': 'assistant'}]