Question 3
A、The bus skidded off the icy bridge.
B、The thieves stole the book with employees and guards there.
C、The driver drank too much.
D、The brake system broke down.
Q: How did the accident happen?
详解：新闻中提到，星期三早晨，一辆载有十五名囚犯与监狱工作人员的大巴车在一座结冰的桥上打滑而失事坠落，故答案为A。