You have a computer named Computer1 that runs Windows 7. Computer1 has a shared printer. You needto configure Computer1 so that only Administrators are authorized to shut down the computer. What should you do?（）
- AFrom User Accounts， modify the user profiles settings.
- BFrom User Accounts， modify the User Account Control （UAC） settings.
- CFrom the local computer policy， modify the Security Options.
- DFrom the local computer policy， modify the User Rights Assignment.