Refer to the exhibit.

An engineer is viewing the CE1 routing table for CE2 Loopback 0. Each CE runs OSPF with its
PE.
Which statement describes why the CE2 Loopback address is installed as an external OSPF route
at the CE1 routing table?

A.
PE1 and PE2 have mutual redistribution between OSPF and BGP.

B.
CE2 is configured under OSPF with the command redistribute connected.

C.
CE1 and CE2 are in different areas.

D.
CE1 and CE2 have different OSPF processes.

E.
PE1 and PE2 have different OSPF VRF processes.