请教(高中语法)Studies show that in road accidents, people____uncon
请教(高中语法)
Studies show that in road accidents, people____unconscious due to____safety belts have a greater chance of dying.
A.knocking,wearing not
B.knocked,not wearing
C.knocked,not to wear
D.being knocked,not wear
答案是B,请问为什么?谢谢~~