Which of the following is(are) TRUE?
A. A "service mark" is to a service what a "trademark" is to a physical good.
B. "Trademark" refers to all means of product identification.
C. A "trademark" must be attached to a product to be legally protected.
D. All of the above are true.
E. None of the above are true.
Answer: A. A "service mark" is to a service what a "trademark" is to a physical good.