An administrator has added an additional network adapter to each cluster node. The adapters have been configured and tested， and the /etc/hosts file has been updated. However，the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP. What would be required to correct this problem？（）

A. Rerun autodiscovery.
B. Synchronize the cluster.
C. Restart cluster services.
Delete and recreate the adapters.