You upgrade all client computers in your network to Windows 2000 Professional. Then you apply the basicwk.inf security template to the computers. Now， none of the users can run the company’s database application. What should you do？（）

• A、Apply the compactws.inf security template to the computers.
• B、Delete the basicwk.inf security template file from the computers.
• C、Use the system policy editor to configure a new security policy for the database application.
• D、For each user account， allow read permission to the database application and in associated files.