Which MPLS layer 2 VPN services strip 802 .1q tags before encapsulating the frame?

Which MPLS layer 2 VPN services strip 802 .1q tags before encapsulating the frame? (Choose two)

A.
Ethernet over MPLS port mode

B.
Ethernet over MPLS VLAN mode

C.
MPLS Bridging

D.
MPLS VPLS