Which of the following menu commands would you select to make a copy of an open file and rename it

Right Click.
Clicking the right button of the mouse (right click) will give you the list or related commands. It is the shortest way to go to menu. If you want to copy the document or rename it, right click the document you want to copy, select copy if you want a copy and select rename if you want to rename the desired document. Clicking the right mouse button will give you related command. Related commands because, the shortcut menu will depend on the icon that you have pointed and right clicked.