Sichuan Province in southwest China and an area of 485 000 kilometers with the largest

问题补充：

Sichuan Province, in southwest China and an area of 485,000 kilometers with the largest population in China, is one of the largest and most inaccessible provinces in China.

A. located; covered

B. locating; covering

C. located; covering

D. locating; covered

答案：

A. located; covered

B. locating; covering

(答案→)C. located; covering

D. locating; covered

解析：考查非谓语动词。位于be located in,在题中作定语，be 省去；Sichuan Province与cover之间是主动关系，故用现在分词。所以选C。