The visitors here are greatly impressed by the fact that people from all walks of life are

问题补充：

The visitors here are greatly impressed by the fact that people from all walks of life are working hard for new Jiangsu.

A. 不填; a

B. 不填;the

C. the; a

D. the; the

答案：

(答案→)A. 不填; a

B. 不填;the

C. the; a

D. the; the

解析：考查冠词。第一空,来自社会各阶层的人. 是不特指,不用冠词. 第二空, 在Jiangsu 前有形容词new 因此,应加冠词a.表示一个全新的江苏。