According to the text, the polar bear ________.

* Hướng dẫn giải

Dẫn chứng đoạn 1: In spring 2008, the polar bear was placed on the endangered species list. According to the Endangered Species Act, an endangered species is an animal that is likely to face extinction in its natural habitat. Polar bears have been categorized as a "threatened" species. The ESA defines a threatened species as one that is likely to become "endangered" in the foreseeable future.

Đáp án đúng: C. may become endangered in the near future