Analysis of test questions: This question examines students' accurate knowledge and understanding of the May 4th Movement. Looking back on what they have learned, we can know that "expelling Tatars and restoring China" is one of Sun Yat-sen's Three People's Principles and belongs to the slogan of the Revolution of 1911. ② ③ ④ It belongs to the slogan of the May 4th Movement. On May 4th, 19 19, more than 3000 students from Peking University and other schools gathered in front of Tiananmen Square to give speeches. They called for the May 4th patriotic movement, which included "fighting for sovereignty from outside and getting rid of national thieves from inside", "abolishing Article 21" and "fighting to the death and giving me back Qingdao". So choose B.