Strict scrutiny refers to a. a test used by the Supreme Court that places the burden of proof partially on the government and partially on the challengers to show that the law in question is unconstitutional. b. the apportionment of voters in districts in such a way as to give unfair advantage to one racial or ethnic group or political party. c. a set of regulations determining which schools receive grants-in-aid from the federal government. d. a test used by the Supreme Court that places the burden of proof on the government rather than on the challengers to show that the law in question is constitutional.