Gropes's design is based on the experience gained by pedestrians' practice, which shows that practice is the source of knowledge, so he chose A. According to the meaning of the topic, the topic requires philosophical truth, and option B is not a philosophical point of view, so it is excluded. The principle of world materiality requires us to respect the materiality of nature, and road design has done this, so we chose C. Gropes's design does not respect the requirements of practice, but conforms to the correct understanding of people's requirements in the process of practice, so D is excluded.

Location of test sites This topic examines compulsory four life and philosophy-materialism and epistemology.