Analysis of the test questions: From the material "They will faithfully stick to this promise in the future, even at the expense of their own lives", we can know that what they stick to is righteousness, which belongs to the scope of the three cardinal guides and the five permanent members, and the three cardinal guides and the five permanent members are the core content of Neo-Confucianism in Song and Ming Dynasties. A. "Benevolence", B. "Feeling between Heaven and Man" and D. "Practical application" cannot be embodied, so C is chosen.

Comments: Neo-Confucianism influence in Song and Ming Dynasties: 1. Neo-Confucianism absorbed Buddhism and Taoism, completed the transformation of philosophy and speculation, and established a new Confucian system that runs through the universe, society and life with reason or righteousness as the core, which became the mainstream of German Confucianism in the Song and Ming Dynasties and had a far-reaching impact on political life, cultural education and social enlightenment. 2. Positive: attaching importance to subjective will, practice, moral integrity, self-control, striving for success, social responsibility and historical mission, and highlighting human dignity have played a positive role in shaping the character of the Chinese nation. 3. Negative: maintaining autocratic rule with the three cardinal principles and the five permanent members, emphasizing hierarchical concepts, preferring sons over daughters, sticking to conventions, and unilaterally valuing righteousness over profit; Suppress and stifle people's natural desires.