In the event of a GSS failure in a GSS cluster， which is true？（）

• A、 The current connections are rerouted via the backup GSS
• B、 Secondary GSS cannot be used to configure the GSS cluster
• C、 All remaining GSSs in the cluster continue responding to any new queries
• D、 All records in the GSS database are flushed and reconstructed again using a new master GSS