The difference between a collective mark and a certification mark is: Select one: O A collective mark may be used by an intergovernmental organization while a certification mark may be used only by a non governmental organization [d] A certification mark can be used only by the owner of such a mark while a collective mark may be used by members of the association [b] O A collective mark can be used only by the owner while a certification mark may be used by members of the association [a] O A collective mark may be used only by members of the association while a certification mark may be used by anybody who meets the defined standards [C]