The correct answer is A. CTRL+C.
To copy a control in Access, you can use the keyboard shortcut CTRL+C. This will copy the selected control to the Clipboard. You can then paste the control to another location in the form or report by pressing CTRL+V.
Option B, CTRL+X, is used to cut the selected control. This will remove the control from the form or report and place it on the Clipboard. You can then paste the control to another location in the form or report by pressing CTRL+V.
Option C, CTRL+V, is used to paste a control from the Clipboard. This will insert the control at the current cursor position.
Option D, None of these, is incorrect.