Answer: B

Commodity trademarks refer to signs used by producers and operators of goods to distinguish the goods they produce or operate from those produced or operated by others. A service trademark refers to a mark used by operators providing services to distinguish the services they provide from those provided by others. A three-dimensional trademark refers to a trademark consisting only of a three-dimensional mark or a three-dimensional mark containing other elements. Certification trademarks are controlled by an organization with the ability to supervise certain goods (services) and used by units or individuals other than the organization to certify the origin and raw materials of the goods (services). , manufacturing methods, quality or other signs of specific quality.