The reason ______ he didn’t come was ______ he was injured. 

A．that; because

B．why; that

C．why; because

D．that; that

需要使用远光灯的情况有（）。

A.通过照明条件较差的路段

B.迎面驶来的车辆距离自己150m以外时

C.超车示意

D.车速在30km/h以上