Which cisco IOS command should be used to verify that frames are being forwarded on a VC by an egres

Which cisco IOS command should be used to verify that frames are being forwarded on a VC by an egress PE?

A.
Show MPLS forwarding tables

B.
Show MPLS interface forwarding

C.
Show 12 VPN counters forwarding session

D.
Show 12 VPN counters forwarding statistics