A customer’s computer crashes consistently when a specific application is launched. Thetechnician has looked at the computer and confirmed the cause of the crash. Which of thefollowing is the NEXT troubleshooting step the technician should take?（）

• A、Verify full system functionality.
• B、Document the findings, actions, and outcomes.
• C、Establish a plan of action to resolve the problem.
• D、Question the user and identify changes the user has made to the system.