Company.com moved their application start routines from the inittab and place them under HACMP control. During testing,the applications did not always start as desired. <br /> What is the best practice for the application start routines.()  
A、 Assume the system was stopped by a failure.
B、 Ensure the hostname parameters is set correctly.
C、 Assume the system was stopped by a graceful shutdown.
D、 Mount all volumes and file systems before running the application.