Analysis of test questions: The song "Where has the time gone" has aroused people's thinking in many aspects, reflecting the extensiveness and diversity of contact. People's thinking in many aspects comes from today's social environment, indicating that social existence determines social consciousness, that is, social consciousness has its material reasons. (2) Misexpression, practice is the purpose and destination of cognition. ④ Misexpression, social psychology comes from social existence and social reality. ① ③ It meets the meaning of the question. Answer B.