Which Cisco IOS command should be used within the route-map to achieve the goal on ISP 2 from AS 65000?

Refer to the exhibit.

A network engineer from ISP 2 is designing the BGP architecture with a requirement of preventing their customer AS 65001 from becoming a transit AS, using the following configuration.

Router BGP 65000

Neighbor 10.0.0.1 remote-as 65001

Neighbor 10.0.0.1 route-map BGP-ROUTE-policy in

Which Cisco IOS command should be used within the route-map to achieve the goal on ISP 2 from AS 65000?
A . route-map BGP-ROUTE-POLICY permit 10
set community no-advertise additive
B . ip as-path access-lists 1 permit ^65001$
!
route-map BGP-ROUTE-POLICY deny 10
match as-path 1
!
route-map BGP-ROUTE-POLICY permit 10
C . ip as-path access-list 1 permit ^65001$
!
route-map BGP-ROUTE-POLICY permit 10
match as-path 1
D . route-map BGP-ROUTE-POLICY permit 10
set community no-export additive

View Answer

Answer: C