Your company's cloud network has hybrid connectivity to an on-premises environment through Cloud Interconnect in two regions (us-east4 and us-west1). You received complaints that some on-premises destinations are no longer reachable from us-east4, after changes were made to advertise additional routes to us-west1. You need to troubleshoot to see if any routes were dropped. What should you do?

A. Query the dynamic_routes/learned_routes/dropped_unique_destinations metric and review the global routing_mode metric attribute. B. Query the dynamic_routes/learned_routes/unique_destinations_limit metric and review the global routing_mode metric attribute. C. Query the dynamic_routes/learned_routes/any_dropped_unique_destinations metric and review the regional routing_mode metric attribute. D. Query the dynamic_routes/learned_routes/dropped_unique_destinations metric and review the regional routing_mode metric attribute.