As is know to all People’s Republic of China isBiggest developing countryin the world.A.

问题补充：

As is know 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：定冠词用于名词前面表示特指某一事物， 中国和形容词最高级都是特制某一事物，故前面需加定冠词，选C。