What is the P-router perception of end-to-end MPLS VPN routing?

What is the P-router perception of end-to-end MPLS VPN routing?

A.
The P-router is not MPLS VPN aware.

B.
The P-router forwards packets based upon the RT contained in the label.

C.
The P-router perceives the end-to-end MPLS VPN routing as an extension of its own IGP routing.

D.
The P-router provides separate routing instances for its own IGP and the end-to-end MPLS VPN routing.

Explanation:

P-routers are not MPLS-VPN aware.