In Central Hudson Gas & Electric Corp v. Public Service Comm., the New York utility commission ruled that electric utilities could not advertise to promote the use of electricity. The Supreme Court held that the:

a. First Amendment right of free speech had been violated because there may be no limit on any speech on commercial matters
b. First Amendment right of free speech had not been violated because it does not protect commercial advertising
c. First Amendment right of free speech had not been violated, not because commercial speech has no protection, but because of public interest in energy conservation
d. state of New York cannot regulate public utilities without federal approval because of the commerce clause e. none of the other choices

e