题干
The old man said the accident______ his careless driving, so a lot of money _____ be paid by the driver.
A：was due to , was due to
B：due to , was due to
C：is due to , was due to
D：is due to , was due to
答案(点此获取答案解析）
A
已知 、 与竖直方向的夹角分别为 、 ，不计空气阻力，则（ ）