What Was the Impact of the University of California's Ban

What was the impact of the University of California's ban on race-conscious admissions?

A) The percentage of black first-year students decreased by 10 percent in three years.
B) The percentage of black transfer students increased by 25 percent in two years.
C) The percentage of black first-year students decreased by 50 percent in one year.
D) It became clear that affirmative action had not significantly altered enrollment patterns for applications from black first-year students.