机动车遇行人正在通过人行横道要做（）。
A.停车让行
B.绕行通过
C.持续鸣喇叭通过
D.提前加速通过
参考答案：A
简述冲突的基本过程。
The man we followed suddenly stopped ad looked as if ________ whether he was going I the right direction.
A．seeing
B．having seen
C．to have see
D．to see
