—What a terrible earthquake!

—Yes. It came at about 6.30 this morning. I ________ to the bus stop at that time.

A．walk

B．was walking

C．walked

D．am walking

满意感在很大程度上取决于期望。客户的期望包含有（）。

A.客户以往的经验

B.相关群体的影响

C.市场营销者的刺激

D.广告宣传

E.市场营销者的承诺