A. Some experts believe that the reason for the proliferation of Shanzhai culture, which boasts of grassroots innovation, is due to the fact that the Chinese government has been forced by the Chinese government to take the lead in the development of Shanzhai culture, and the Chinese government has been forced by the Chinese government to take the lead in the development of Shanzhai culture.
| , the sentence mismatch, you can delete "the reason" or "by" and "due to". "B. What is lacking should be "capital", "technology" and "product innovation"; C. Stealing the subject. C, the subject can be added before the "will be in" "'Bird's Nest' and 'Water Cube'. |