問題詳情：
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
知識點：非謂語動詞
題型：選擇題
