which link will traffic from the Web server enter your network (AS 65000)?

Refer to the Exhibit.

You are the administrator of AS 65000. In the exhibit, there are four links between your network
(AS 65000) and your upstream provider (AS 65001).
You have an export policy on all of your routers to advertise your routes such that:
Router A. MED 100, AS Path (65000), Origin 1
Router B. MED 100, AS Path (65000 65000), Origin 0
Router C. MED 50, AS Path (65000 65000), Origin 1

Router D. MED 50, AS Path (65000), Origin 0
Through which link will traffic from the Web server enter your network (AS 65000)?

A.
Router A

B.
Router B

C.
Router C

D.
Router D

Explanation: