单项选择题
A.tac-lb04.tac-hb06.tac.epc.mnc000.mcc460.3gppnetwork.org
B.mmec86.mmegi0140.mme.epc.mnc000.mcc460.3gppnetwork.org
C.pt01.set001.region01.amfi.5gc.mnc000.mcc460.3gppnetwork.org
D.tac-lb11.tac-mb22.tac-hb00.5gstac.5gc.mnc0xx.mcc460.3gppnetwork.org