ATTACH REQUEST ATTACH ACCEPT分别包含于哪条空口RRC消息内()A.RRC CONNECTION REQUEST RRC CO

ATTACH REQUEST, ATTACH ACCEPT分别包含于哪条空口RRC消息内()

A.RRC CONNECTION REQUEST, RRC CONNECTION SETUP

B.RRC CONNECTION SETUP , RRC CONNECTION SETUP COMPELTE

C.RRC CONNECTION SETUP COMPELTE,RRC CONNECTION RECONFIGURATION

D.RRC CONNECTION RECONFIGURATION, RRC CONNECTION SETUP RECONFIGURATION COMPELTE

请帮忙给出正确答案和分析，谢谢！