Refer to the configuration exhibit, taken from a Cisco IOS-XR router.
! router static address-family ipv4 unicast 192.0.2.1/32 null0 ! route-policy RTBH if tag is 666 then set next-hop 192.0.2.1 andif end-policy ! router bgp 65123 address-family ipv4 unicast redistribute static route-policy RTBH ! !When attacks are detected from 209.165.201.144/28 ! router static address-family ipv4 unicast 209.165.201.144/28 null0 tag 666 !
Which configuration change is required to properly enable this router as the signaling router for implementing source-based RTBH filtering?

A.	set community (no-export) in the route policy
B.	pass in the route policy
C.	set local-preference 1000 in the route policy
D.	The 192.0.2.1/32 static route should be tagged as 666 (tag 666)