In reference to the exhibit depicting the flow of routing updates in an overlapping VPN, which statement is true?

A.
Sites A1 and A2 will import all networks with RTs 123:750 and 123:1000.

B.
Sites B1 and B2 will export all networks with RTs 123:760 and 123:1000.

C.
Sites A1 and A2 communicate with Sites B1 and B2 via A-Central and B-Central.

D.
Site A-Central exports RTs 123:750 and 123:1000.

E.
Site B-Central is exporting and importing RT 123:1000 so it can communicate with sites A1 and A2.