What was the supreme court's ruling in the regents of the university of california v. bakke case of 1978? a. the court ruled that race could not be used as a factor in college admissions. b. the court ruled that the use of racial quotas in college admissions was unconstitutional. c. the court ruled that gender could not be used as a factor in college admissions. d. the court ruled that minorities should get preferential treatment in college admissions.