Company.com has a cluster with nodes that support "hot swap" adapters. During an upgrade of  The network infrastructure，an additional network adapter has been added to the nodes and configured in AIX.  What is the next step required to add this adapter to HACMP？（）  

• A、 Stop the node.
• B、 Stop the cluster.
• C、 Run autodiscovery.
• D、 Configure the IP adapter.