Although western environmental sociology was born in the 1970s, it has formed three major paradigms, such as a new ecological paradigm, a political economy paradigm, and a constructivist paradigm. From various perspectives, it can effectively explain the western environmental issues. The social mechanism, but for China, it is possible because of the profound differences in social, political, and cultural backgrounds. The particularity and complexity of China's experience determine the huge challenges and difficulties faced in explaining China. Which of the following, if true, would most weaken the conclusion? ["China's environmental problems have been facing huge challenges since the 1990s.", 'A multidisciplinary approach has made a positive contribution to the interpretation of environmental issues in China.', 'Three major paradigms of western environmental sociology have been deeply developed and widely used.', 'The similarity between Chinese and Western environmental issues can reduce the impact of the empirical differences on the subject interpretation.']