Which of the Following Statements Holds True for a Trademark

Which of the following statements holds true for a trademark?

A) It refers to the exclusive right granted for an invention, which must be industrially applicable (useful) and new (novel) , and exhibit a sufficient "inventive step" (be nonobvious) .
B) It refers to a situation where the owner of an asset grants the right to use the asset to another, while continuing to retain ownership of the asset.
C) It refers to a distinctive sign, which identifies certain goods or services as those produced or provided by a specific person or enterprise.
D) It refers to the body of laws that grants authors, artists, and other creators protection for their literary and artistic creations, which are generally referred to as "works."
E) It refers to any confidential business information which provides an enterprise with a competitive edge.