Question

9. More high-speed railways have been built in China,    it much easier for people to travel.

A. to make     B. made

C. having     D. making

Answer 1

9." D考查非谓语动词。此处考查现在分词作结果状语，相当于which makes -。句意：中国已经建造了更多的高速铁路，使人们的出行更容易。