Refer to the exhibit.
A network administrator reviews the branch router console log to troubleshoot the OSPF adjacency issue with the DR router. Which action resolves this issue?
A. Advertise the branch WAN interface matching subnet for the DR site.
B. Configure matching hello and dead intervals between sites.
C. Configure the WAN interface for DR site in the related OSPF area.
D. Stabilize the DR site flapping link to establish OSPF adjacency.
