A Company is using Cloud SQL to host critical data. They want to enable high availability in case a complete zone goes down. How should you configure the same?

A Company is using Cloud SQL to host critical data. They want to enable high availability in case a complete zone goes down. How should you configure the same?

A. Create a Read replica in the same region different zone B. Create a Read replica in the different region different zone C. Create a Failover replica in the same region different zone D. Create a Failover replica in the different region different zone