In Their Response to Brown V

In their response to Brown v.Board of Education,southern states did all of the following except

A) pass laws requiring schools to remain segregated.
B) centralize school boards to prevent local districts from obeying the Supreme Court.
C) protest the constitutionality of the Court's decision.
D) enact "pupil placement" laws that placed the burden of transferring to an all-white school on nonwhite children and their parents.
E) quickly desegregate their schools.