McDowell's is a fast-food restaurant in Queens, New York. For its trademark, it uses a golden "Mc" with the "c" being much smaller. McDonald's sues for trademark infringement. Which of the following statements is true?

	a.	It is only trademark infringement if McDowell's used the exact same mark as McDonald's, which it did not.
	b.	Trademark infringement only occurs if the mark for the allegedly infringing business has no relation to the business name.
	c.	McDonald's trademark arch is not valid because it comes from a last name, which cannot be trademarked.
	d.	The test will be whether the McDowell's trademark is likely to confuse customers about who has made the goods or provided the services.