It can be inferred from the passage that the dwellings of the Hopi and Zuni

* Hướng dẫn giải

Đáp án là C. Dựa vào các ý: These buildings were usually put up against cliffs, both to make construction easier and for defense against enemies. They were really villages in themselves, as later Spanish explorers must have realized since they called them “pueblos”, which is Spanish for towns.”