It’s common knowledge that United States is one of biggest developed countries in the wo

问题补充：

It’s common knowledge that United States is one of biggest developed countries in the world.

A. the; /

B. /; the

C. the; the

D. / ; /

答案：

A. the; /

B. /; the

(答案→)C. the; the

D. / ; /

解析：

试题分析:考查冠词用法。the United State“美国”，最高级biggest前应有定冠词the，所以C选项正确。句意：众所周知，美国是世界上最大的发达国家之一。