What Was the Effect of the National Voter Registration Act

What was the effect of the National Voter Registration Act (Motor Voter Act) ?

A) Voter registration rose,but voter turnout did not.
B) Both voter registration and voter turnout rose.
C) Neither voter registration nor voter turnout rose.
D) Voter registration did not rise,but voter turnout levels did.
E) The effect cannot be determined because voting is done through secret ballots.