Which of the Following Is a New Restrictive Law Implemented

Which of the following is a new restrictive law implemented by Arizona?

A) Voters must be twenty-one years of age to be eligible to vote.
B) Voters must first obtain a driving license before registering to vote.
C) Voters must cast their votes only through the mail-in voting system.
D) Voters who have just turned eighteen should register themselves only on Election Day.
E) Voters must provide his or her proof of citizenship to vote in state elections.