More highways have been built in China it much easier for people to travel from one plac

问题补充：

More highways have been built in China, it much easier for people to travel from one place to another.

A. making

B. made

C. to make

D. having made

答案：

(答案→)A. making

B. made

C. to make

D. having made

解析：考查非谓语动词。现在分词作结果状语。本剧意思是：中国建成了更多额高数公路，结果使得人们出行更容易了。