__________ the housing price, several measures have been adopted in the last two years.

A．Lowering

B．Having lowered

C．To lower

D．To have lowered

UE在上行CCCH上发送一个RRC Connection Request消息，请求建立一条RRC连接。主要参数为（）。

A.Initial UE Identity（初始的UE标识）

B.Establishment cause

C.测量IE

D.midable码

E.UE radio access capability（UE无线接入特性）