Analysis of test questions: 1958 The Party rashly launched the Great Leap Forward Movement. The main symbol of the Great Leap Forward movement in all aspects of the country is the one-sided pursuit of the high speed of industrial and agricultural production and construction, and the continuous and substantial improvement and revision of planned indicators. Performance: agriculture has put forward the slogan of "taking grain as the key link", and it is required to reach the grain output index stipulated in the 12 agricultural development outline within five years, three years or even one or two years. The industry put forward the slogan of "taking steel as the key link", demanding that the steel output scheduled for 15 years should catch up with or exceed the target of Britain by 7, 5 or even 3 years in advance. So choose C.