Test analysis: Writing on the bus means that in the 21st year of Guangxu in Qing Dynasty (1895), Kang Youwei led thousands of juren, including Liang Qichao, to write a letter to Emperor Guangxu in Qing Dynasty, opposing the signing of treaty of shimonoseki by the Qing government defeated by Japan in the Sino-Japanese War. The wrong statement in the material is the participant, so choose C.
Comments: "Writing on the Bus" indicates that the bourgeois trend of reform and political reform, which has been brewing for many years, has developed into a political activity of patriotism and saving the country, which has had a huge impact and shock on society. Kang Youwei has since gained a leading position in the Reform Movement.