Analysis of test questions: from the material point of view, "if people watch the fire from the other side, they turn a blind eye." "Thus, Chen Duxiu is not satisfied with the people's indifference to the status quo of democratic politics. To this end, he believes that the first thing to do is to launch the Enlightenment and emancipate people's minds. So choose C.

Comments: China's ideological emancipation trend since modern times should highlight a main line, that is, the gradual process of modern China people learning from the West and saving the country. Grasp three characteristics: first, the ideological theme of modern China people's learning from the west and seeking change is for China's independence, democracy and prosperity, and learning from the west is linked with resisting aggression, enlightenment and saving the country, which embodies a strong anti-feudal and anti-aggression nature; Secondly, it is a deepening process for modern China people to learn from the West, from the outside to the inside, from "implements" to "systems" and then to "ideology and culture". Thirdly, China people's understanding of western culture has gone through a process from passive acceptance (such as the germination of new ideas and the Westernization Movement) to active choice (such as the Revolution of 1911). In the end, China's * * * production party chose Marxism as its ideological weapon to save the country and transform society.