Which device is responsible for removing the MPLS label before the packet reaches the CE device?

Which device is responsible for removing the MPLS label before the packet reaches the CE
device?

A.
The egress LER removes the MPLS label.

B.
The CE device removes the MPLS label.

C.
The last LSR on the LSP removes the MPLS label.

D.
MPLS labels are not removed until they reach the final destination.