Question #N690

The author of the text provides a detailed description of the “biodiversity” of the islands and the “ecosystem” of the area. The author also explains how the islands and their surrounding area are “unique” compared to similar places around the world. Based on the text, which choice best describes the main idea of the text?

The text mainly focuses on
A. the biodiversity of the islands and the ecosystem of the surrounding area.
B. the impact of human activity on the islands and their surrounding area.
C. the unique characteristics of the islands and their surrounding area.
D. the history of the islands and their surrounding area.