Refer to the exhibit. Which statement is true about the partial MPLS configuration that is shown？（）
- AThe route-target both 100：2 command sets import and export route-targets for vrf2.
- BThe route-target both 100：2 command changes a VPNv4 route to a IPv4 route.
- CThe route-target import 100：1 command sets import route-targets routes specified by the route map.
- DThe route-target import 100：1 command sets import route-targets for vrf2 that override the other route-target configuration.