单项选择题
A.S1AP：E-RAB setup request B.RRC：RRC connection request C.S1AP：lnitial context setup requset D.S1AP：S1 setup request
A.EMM-DEREGISTERED B.EMM-REGISTERED C.EMM-IDLE D.EMM-CONNECTED
A.本地小区标识 B.小区标识 C.物理小区标识