【单选题】
Refer to the exhibit. Which statement is true about the partial MPLS configuration that is shown？（）<br /> <img src="https://nimg.ppkao.com/2018-07/wenxueying/2018073016031655571.png?sign=511a7bb80d581d8738270e7ca6872efa&t=62d260c6" />
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.
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