Two weeks ago in Guangzhou, a two-year-old girl, Yue Yue, was hit by a car seriously and left lying on the road with no one offering help, a heated discussion on the Internet .
A. caused
B. to cause
C. causing
D. being caused
网友回答
A. caused
B. to cause
(答案→)C. causing
D. being caused
解析：考查非谓语动词。前面提到的事件和cause 之间是主谓关系，所以用causing。