An administrator has decided to use a Shared Ethernet Adapter （SEA） as part of a virtualized environment. Due to the expected traffic across the SEA， the administrator has decided to use an aggregation of two physical Ethernet adapters， ent0 and ent1 as the backing device in the VIO server to increase the available network bandwidth.  Which of the following commands would successfully create an aggregation device within a VIO server？ （）

• A、 mkvdev -lnagg ent0，ent1
• B、 mkdev -lnagg -d ent0，ent1
• C、 mkvdev -t etherchannel -a ent0，ent1
• D、 mkdev -c adapter -s pseudo -t etherchannel ent0，ent1