As is known to all People’ s Republic of China isbiggest developing country in the world.

问题补充：

As is known to all, People’ s Republic of China isbiggest developing country in the world.

A. the ; 不填

B. 不填 ；the

C. the ；the

D. 不填；不填

答案：

A. the ; 不填

B. 不填 ；the

(答案→)C. the ；the

D. 不填；不填

解析：考查冠词。the People’ s Republic of China 中华人民共和国，第二空特指最大的发展中国家，句意：众所周知，中华人民共和国是世界上最大的发展中国家。故选C。