.Not ______ beautiful, the building is ______ now.

A．looking, being built

B．looked, being built

C．being looked, building

D．looking, built

安装总配线架及各种配线架安装的基本要求包括()。

A.总配线架侧面位置应与成端电缆上线槽或上线孑L洞相对应

B.跳线环安装位置应平滑、垂直整齐

C.总配线架滑梯安装应牢固可靠

D.滑轨拼接平正，滑梯滑动平稳，手闸灵敏

E.滑轨端头应安装挡头，防止滑梯滑出滑道