You create an availability group named HaContoso that has replicas named Server01/HA, Server02/HA, and Server03/HA. Curr

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You create an availability group named HaContoso that has replicas named Server01/HA, Server02/HA, and Server03/HA.
Currently, Server01/HA is the primary replica.
You need to ensure that the following requirements are met:
✑ Backup operations occur on Server02/HA.
✑ If Server02/HA is unavailable, backup operations occur on Server03/HA.
✑ Backup operations do not occur on Server01/HA.
How should you configure HaContoso?

A. Set the backup preference of HaContoso to Prefer Secondary. Set the backup priority of Server02/HA to 20. Set the backup priority of Server03/HA to 10.
B. Set the backup preference of HaContoso to Secondary only. Set the backup priority of Server02/HA to 20. Set the backup priority of Server03/HA to 10.
C. Set the backup preference of HaContoso to Secondary only. Set the backup priority of Server02/HA to 10. Set the backup priority of Server03/HA to 20.
D. Set the exclude replica of Server01/HA to true. Set the backup priority of Server02/HA to 10. Set the backup priority of Server03/HA to 20.