ou attach a mobile device that runs Windows Mobile Professional 6.1 to a computer. You discover thatWindows is unable to install the necessary device drivers for the mobile device. You need to ensure that youcan synchronize files to the mobile device.  What should you do?（）

• A、From Windows Mobility Center， click Sync settings.
• B、From Sync Center， click Set up new sync partnerships.
• C、From Device Manager， click Scan for hardware changes.
• D、From Devices and Printers， right-click the device and click Troubleshoot.