Which Statement About the Disenfranchisement of Blacks in the South

Which statement about the disenfranchisement of blacks in the South is correct?

A) White leaders presented disenfranchisement as a "good government" measure.
B) Between 1890 and 1906, all states enacted laws or constitutional provisions meant to eliminate the black vote.
C) In passing various laws to restrict blacks from voting, southern elites were careful not to victimize poor whites.
D) The elimination of black and many white voters was accomplished without the North being aware.
E) The Supreme Court upheld the grandfather clause.