---I’m sorry, I should not have been so rude to you.

--- You _______ your temper but that’s OK..

A．have lost

B．had lost

C．did lose

D．were losing

VCU用于（）的高级别控制。

A.牵引设备功能及制动设备功能

B.牵引设备功能及列车控制功能

C.ICU

D.VCU