Within the VRF configuration mode, the import map and the export map commands are used for which purpose?

A.
to reference the import and export route-maps that are used to limit the maximum number of routes in a VRF

B.
to reference the import and export route-maps that are used to selectively specify additional criteria for route-targets import and export

C.
to reference the import and export route-maps that are used to filter the routes that are redistributed into MPBGP

D.
to reference the import and export route-maps that are used to set loop avoidance parameters such as SOO

E.
mandatory VRF commands to specify the import and export route-targets