You have a computer that runs Windows XP and a USB drive that is protected by using BitLocker To Go.You need to ensure that you can copy files from the computer to the USB drive. The solution must retain theexisting files on the USB drive.  What should you do?（）

• A、From a computer that runs Windows 7， change the file system of the USB drive.
• B、From a computer that runs Windows 7， disable BitLocker To Go for the USB drive.
• C、Log on to Windows XP as member of the Administrators group.
• D、Log on to Windows XP by using a user account that has an Encrypting File System （EFS） certificate.