Which of the Following Laws Would Be the Most Likely

Which of the following laws would be the most likely to draw strict scrutiny from the Supreme Court when determining its constitutionality?

A) Male and female student athletes cannot compete on the same basketball team at the university level.
B) Businesses cannot discriminate against gays and lesbians in hiring and promotion decisions.
C) Those without a college degree are not eligible for upper-level civil service jobs.
D) Government contracts must be awarded to a contractor who is a racial minority whenever at least 10 percent of the bidders are minority-owned businesses.