单项选择题

A. Modify the portable computer’s BIOS settings, and disable support for the docking station
B. Modify the portable computer’s hardware profiles, to remove the Docked hardware profile
C. Modify the portable computer’s device settings to disable the Unplug devices icon in the  system tray. 
D. Modify the portable computer’s hardware profiles, and move the Docked hardware profile to  the top of the list of hardware profiles.