Refer to the exhibit.

A network operator wants to expand the segment routing global block in upcoming maintenance. The operator must ensure that the changes to the segment routing global block have no adverse impacts on the prefix-sid associated with the loopback0 interface used within the OSPF domain. Which command can the operator use to enforce R2 to have a strict prefix-sid assignment to loopback0?

A.	router ospf 1 area 0 interface Loopback0 prefix-sid index 19002 explicit-null
B.	router ospf 1 area 0 interface Loopback0 prefix-sid absolute 13002
C.	router ospf 1 area 0 interface Loopback0 prefix-sid absolute 19002
D.	router ospf 1 area 0 interface Loopback0 prefix-sid index 19002