TOEFL Listening: TPO-TOEFL阅读TPO - 6XX3A8I98XA4EHS9N$

The author mentions "white ants" in the beginning of the passage in order to A. correct a common misunderstanding about termites' B. introduce the idea that termites only take the form of ants during certain life stages C. argue that not all white ants are social insects D. Illustrate the large variety of insect species that live in colonies