TOEFL Listening: TPO-TOEFL阅读TPO - 8SCKYJ31W_OGL4MNN$

Why does the author discuss the question "What is the world made of?" posed by Thales? A. To help explain how Thales differed from earlier Greek thinkers B. To trace the origin of the question through ancient history C. To emphasize that the answer to the question proposed by Thales was the first correct solution D. To suggest why the question remained unanswered for so long