A technician has fixed a reported issue with a heavily used software program and users have verified that the program is working correctly. Which of the following should the technician do NEXT？（）

• A、Document the process and update the baseline.
• B、Test the theory of probable cause and verify with the software vendor.
• C、Establish a plan of action to be included in the business impact analysis.
• D、Implement the software manufacturer workaround.