ATTACH REQUEST, ATTACH ACCEPT分别包含于哪条空口RRC消息内（）
A.RC CONNECTION RECONFIGURATION, RRC CONNECTION SETUP RECONFIGURATION COMPELTE
B.RRC CONNECTION SETUP, RRC CONNECTION SETUP COMPELTE
C.RRC CONNECTION REQUEST, RRC CONNECTION SETUP
D.RRC CONNECTION SETUP COMPELTE,RRC CONNECTION RECONFIGURATION
正确答案是D