The reason why we were so late is
A. because of the car’s breaking down
B. That the car breaking down
C. because the car broke down
D. that the car broke down
网友回答
A. because of the car’s breaking down
B. That the car breaking down
C. because the car broke down
(答案→)D. that the car broke down
解析：考查句型： the reason why … is that,什么的原因是，句意：我们迟到的原因就是车出故障了。所以选D。