Eduard was born in Atlanta. He is 17 but will be 18 by the time the Presidential election is held in November. He has never been in trouble with the law and has never been convicted of a felony.

Given this information, why might Eduard not be able to vote in the upcoming election?

AHe is not a citizen.
BHe is a naturalized citizen.
CHe has not registered to vote.
DHe has learned about the issues.