China is expected to export 1 billion mobile phones this year, by a surge in demand for smartphones worldwide.
A. drive
B. driving
C. to drive
D. driven
网友回答
A. drive
B. driving
C. to drive
(答案→)D. driven
解析：D 考查非谓语动词。句意：由于全球智能手机的需求激增，预计中国今年会出口10亿部手机。drive与China之间是逻辑上的动宾关系，故用过去分词短语作原因状语。