The correct answer is B) the Great Leap Forward.
This scenario is most similar to the Great Leap Forward.
The People's Republic of China government under the rule of Mao Zedong launched the program the Great Leap Forward in 1958. The idea of Mao was to industrialize China. To take the country from am agriculture society to strong industrial power. For that to happen, Mao used the cheap labor of millions of workers. Just like the case posed in the question. But the plan did not work. Indeed, it was a disaster.
The other options of the question were a) the Tiananmen Square Massacre, c) the Cultural Revolution, and d) the Chinese Civil War.