Refer to the exhibit.

XR1 must have XR4 as the primary exit point for only the first three subnets received from AS 100 and may not impact the rest of the subnets. Which configuration on XR1 is correct?

A.	prefix-set PREFER 100.100.100.0/30 le 32 route-policy LP if destination in PREFER then set local-preference 200 endif ______________________________________________________________
B.	route-policy LP if destination in (100.100.100.0/30 le 32) then set local-preference 200 else pass endif ______________________________________________________________
C.	prefix-set PREFER 100.100.100.0/29 le 32 route-policy LP if destination in PREFER then set local-preference 200 else pass endif ______________________________________________________________
D.	route-policy LP if destination in (100.100.100.0/29 le 32) then set local preference 200 else set local-preference 100 endif ______________________________________________________________