How Does Voter Registration Affect Voter Turnout

How does voter registration affect voter turnout?

A) Registration requirements depress turnout by discriminating against minorities and women.
B) Registration requirements make the voting process smoother by removing ineligible voters before Election Day.
C) Registration requirements depress turnout by making the registration process more difficult for everyone.
D) Registration requirements increase turnout by investing citizens in a sense of civic duty.
E) Registration requirements increase voter turnout by supplementing existing voter ID laws.