A cluster script failed because it was unable to set the hostname， and the Cluster Manager reported the event failure. What must be done prior to sue the "HACMP Problem Determination Tools" -> "Recover From Script Failure" to have the Cluster Manager resume cluster processing？（）  

• A、 Nothing， the "Recover From Script Failure" will correct the issue.
• B、 Disable and re-enable the effected Ethernet adapter by using ifconfig.
• C、 Correct the error by setting the hostname on the effected node from the command line.
• D、 Verify that the clinfo daemon is running prior to executing the "recover from scriptfailure".