Answer:
d. The candidate can sue the maker of the ad because the First Amendment protects everything people say.
Step-by-step explanation:
The First Amendment (Amendment I) to the Constitution of the United States prohibits the creation of any law with respect to the official establishment of a religion, which prevents its free practice, that reduces freedom of expression, that violates the freedom of press, which interferes with the right to peaceful assembly or prohibits requesting compensation for government grievances. It was adopted on December 15, 1791, as the first of the ten amendments to the Bill of Rights.