What Is the Relationship Between Level of Education and Voter

What is the relationship between level of education and voter turnout?

A) Those with less education often cannot pass literacy tests and thus vote at lower levels.
B) Those with lower levels of education are more affected by election results and thus vote at higher levels.
C) Those who have higher levels of education are better informed and thus tend to turn out to vote at higher levels.
D) Those who have more education have a lower sense of voter efficacy and thus vote at lower levels.