Analysis of test questions: This question mainly examines students' ability to remember the contents of teaching materials, which is relatively difficult. ① Confucius' thought, ② Zhu Cheng's Neo-Confucianism in Song Dynasty, ③ Dong Zhongshu's thought in Han Dynasty and ④ Mencius' thought in Warring States Period, so the time sequence should be 143② So the answer is wrong to choose B, A C D.