若重选算法异RAT小区测量门限为13db，则当T网小区信号为以下（）时会开始测量GSM小区：

A.Physical Channel Reconfiguratio
B.RB Reconfiguratio
C.handover FromUTRANCommand_GSM
D.cellChangeOrderFromUTRAN

A.Radio Access Bearer Assignment Request
B.Radio Link Reconfiguration Prepare
C.Radio Link Reconfiguration Ready
D.Radio Link Reconfiguration Commit

A.Registratio
B.terminatingConversationCall
C.originatingConversationalCall
D.detach