铁路货物的运到期限是由()组成。

A.货物发送时间

B.货物运输时间

C.货物中转时间

D.货物检查时间

E.特殊作业时间

I was afraid__________to my customers because I was afraid__________them.

A．of talking back；to lose

B．of talking back；of losing

C．to talk back；to lose

D．to talk back；of losing