LTE/EPC网络中用户平面数据流路径是()

A、UE->eNodeB->SGW->PGW->PDN

B、UE->eNodeB->MME->PGW-PDN

C、UE->eNodeB->SGW->MME-PGW->PDN

D、UE->eNodeB->SGW->HSS->PGW->PDN