问题详情：
The establishment of the Xiong'an New Area is the latest step m China's efforts severe urban ills, hopefully problems such as traffic jams and air pollution in Beijing.
A. to cure; easing B. curing; to ease
C. to cure; having eased D. curing; to ease
【回答】
A
知识点：非谓语动词
题型：选择题
