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': 'The WHO stepwise approach to Surveillance (STEPS) is a simple, standardized method for collecting, analyzing and disseminating data in WHO member countries. It includes: \nSelect and explain. \nA. Macro country economic monitoring and evaluation, B. Control of diseases at international level, C. Access data at short intervals, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The WHO STEP wise approach to Surveillance (STEPS) is a simple, standardized method for collecting, analysing and disseminating data in WHO member countries.\nBy using the same standardized questions and protocols, all countries can use STEPS information not only for monitoring within-country trends, but also for making comparisons across countries.\nWorld health organisation\xa0\nhttps://www.who.int/ncds/surveillance/steps/en/', 'role': 'assistant'}]