Traditional festival public service advertisement

Analysis of test questions: The traditional festival folk songs in the materials are the songs that China people celebrate the Spring Festival. The folk activities described in this song have already become Chinese seals branded on Chinese sons and daughters and Chinese knots tied in the hearts of Chinese descendants, which shows that traditional culture has distinct nationality and relative stability, and B is correct; AC does not match the meaning of the question; D is wrong. We should know the function of traditional culture dialectically and comprehensively. Not all traditional cultures play a positive role in social development.