You install windows 2000 Professional on a new dual processor Pentium III computer. The system BIOS is APM compliant. When you attempt to shutdown the computer, the shut down dialog box remains on the screen and the power remains on.  What should you do?（）

A.Restart the computer. Disable the AMP in the system BIOS restart the computer.

B.Restart the computer. Use the power options in control panel to enable APM and restart the computer.

C.Restart the computer. Use the power options in control panel to enable hibernate support then restart.

D.Restart the computer. Use the power options in control panel to create a different power scheme then restart.

E.Windows 2000 does not support APM on computers with multiple processors.