Explanation/Reference:
To copy files or folders, do any of the following:
Select the files or folders and choose Edit > Copy.

Right-click (in the Windows OS) or Control-click (in the Mac OS) the files or folders, choose Copy To,

and select a location from the list (to specify a different location, select Choose Folder).
Ctrl-drag (in the Windows OS) or Option-drag (in the Mac OS) the files or folders to a different folder.

Answer options A and B are incorrect. To move files to another folder, do one of the following:
Right-click (in the Windows OS) or Control-click (in the Mac OS) the files, choose Move To, and select

a location from the list (to specify a different location, select Choose Folder).
Drag the files to a different folder in the Adobe Bridge window or in Windows Explorer (Windows) or the

Finder (Mac OS).
Reference: http://help.adobe.com/en_US/creativesuite/cs/using/WSA63F14FC-A095-4093-A549- D728F13C7342a.html#WS1E4EBE7B-08FF-4a42-ACC0-05B9C5989C83a