What is true about the use of RIP between the PE and CE routers?

What is true about the use of RIP between the PE and CE routers?

A.
A separate routing context is configured for each VRF running RIP.

B.
RIP parameters for each VRF can be configured globally.

C.
It supports RIPv1 and RIPv2.

D.
Routes have to be redistributed to and from BGP.

Explanation:

RIPv1 CAN be used but NOT supported officially by Cisco.