Based on the illustration of the VPLS topology shown in the exhibit, which statement is true?

Refer to the Exhibit

Based on the illustration of the VPLS topology shown in the exhibit, which statement is true?

A.
PE-C must have a spanning-tree protocol enabled

B.
CE-C must have BGP enabled

C.
Traffic forwarded from PE-C to PE-A is forwarded on to PE-B

D.
Traffic forwarded from PE-C to PE-A is not forwarded on to PE-B