They kissed goodbye, then she________him and ran away, disappearing in the distance.

A．broke down

B．broke away from

C．broke into

D．broke off

由于交通信息采集源多种多样，交通信息融合的方法大致包括（）

A.统计分析法

B.基于概率统计模型

C.基于车辆统计模型