How did literacy tests and poll taxes affect Southern white voters?

AThey easily passed the literacy test because they could read and write, and they could afford to pay the poll tax.

BThey could avoid the literacy tests because of the grandfather clause but were required to pay the poll tax.

CThey objected to the literacy test and refused to pay the poll tax because they did not have the money.

DThey had to take the literacy test but did not have to pay the poll tax.