LTE系统内的切换完成，通常是以＿＿＿＿＿＿＿＿＿信令作为标志的
A.RRCCONNECTIONRECONFIGURATIOCOMPLETE
B.RRCCONNECTIONREESTABLISHMENTCOMPLETE
C.MEASUREMENT REPORT
D.EUTRAN HANDOVER COMPLETE
正确答案是A