Answer B. Analysis: Article 10 of the Education Law of the People's Republic of China stipulates that the state practices a vocational education system and an adult education system. People's governments at all levels, relevant administrative departments, enterprises and institutions shall take measures to develop and ensure that citizens receive vocational school education or various forms of vocational training. The state encourages the development of various forms of adult education so that citizens can receive appropriate forms of political, economic, cultural, scientific, technical, professional and lifelong education.