If a state's flagship public university sought to implement a plan to include race as a factor in making its admission decisions, and a group of students affected by the policy sued on grounds that such a policy is unconstitutional, which standard of review would a court use in analyzing the university's policy?

a$.$ the rational relationship test.

b$.$ deferring to the university to determine whether such a classification of persons is constitutionally permissible.

c$.$ clear and convincing evidence that there is no reasonable basis for the policy.

d$.$ the strict scrutiny test