For Which of the Following Would the Supreme Court Most

For which of the following would the Supreme Court most likely apply intermediate scrutiny to determine whether the policy is an unconstitutional violation of the equal protection clause?

A) preventing whites from attending schools designed to serve African American students
B) prohibiting those over seventy years old from working in law enforcement
C) prohibiting gays and lesbians from serving in the military
D) requiring government contractors to have a racially diverse workforce
E) having different minimum ages for men and women to marry