TOEFL Listening: TPO-TOEFL阅读TPO - KQ0IT4R5CN210K4NN$

Why does the author mention "Klaus Rohde" in the passage? A. To support the argument that large landmasses are usually richer in species than smaller ones are B. To introduce the argument that there are other factors contributing to species diversity besides land area C. To cast doubt on whether the tropics actually contain higher species diversity than land at higher latitudes does D. To emphasize that biogeographers and biologists differ in their approaches to biodiversity