Roger McDonald decides to open up series of liquor stores in his home state. He calls his chain McDonald's and uses a large, blue, curvy M as his logo. McDonald's Corporation, the famous fast food restaurant chain, wants him to stop using the curvy M, as it resembles McDonald's Corporation's famous golden arches. Assuming that the association with a liquor store would likely harm McDonald's Corporation's reputation, McDonald's Corporation wants to stop Roger from using the blue M. Which statement is true?a. McDonald's can stop him from using the blue M only if there is a substantial likelihood of confusion by consumers. b. McDonald's can stop him from using the blue M if the similarity between the marks creates an association between them. c. McDonald's cannot stop him from using the blue M because McDonald's cannot trademark an entire letter of the alphabet. d. McDonald's cannot stop him from using the blue M because it is not identical to the golden arches.