Refer to the exhibit. Which statement is true about the partial MPLS configuration that is shown？（）

• A、The route-target both 100：2 command sets import and export route-targets for vrf2.
• B、The route-target both 100：2 command changes a VPNv4 route to a IPv4 route.
• C、The route-target import 100：1 command sets import route-targets routes specified by the route map.
• D、The route-target import 100：1 command sets import route-targets for vrf2 that override the other route-target configuration.