We had a wonderful performance in the annual school sports meeting. Not only ___ in the coming relay race, but also we were the runner-up of the tug-of-war.

A．won we the champion

B．we won the champion

C．the champion we won

D．did we win the champion

帧中继交换机的特性有()。

A.具有业务分级管理的功能

B.具有宽带管理功能

C.不具有用户线管理功能

D.不具有用户选用业务处理能力

E.具有网络同步能力