单选题 How did the accident occur?

A、 Amy didn't stop at a crossroads and a truck hit their car.
B、 Amy didn't know what to do when she saw the stop sign.
C、 Amy didn't slow down so their car ran into a truck.
D、 Amy didn't get off the highway at a crossroads.

【正确答案】 A

【答案解析】[解析] 根据句子Whether she was nervous or just didn’t see the sign no one would ever know，but Amy continued into the crossroads without stopping The driver of a large truck，unable to stop in time，ran into our car可以确定此题的答案。