The light railways and subways make it for people to travel around Chongqing.
A. easily
B. difficult
C. easy
D. hard
网友回答
A. easily
B. difficult
(答案→)C. easy
D. hard
解析：easily副词，容易地；difficult困难的；easy简单的，容易的；hard努力地，困难的。句意：轻便铁路和地铁让人们环绕重庆旅行容易了。结合语境可知本句是形容词作宾语补足语，故选Ｃ。