Which of the Following Is the Most Plausible Explanation for Why

Which of the following is the most plausible explanation for why people are more likely to vote if an election is closely contested?

A) If people believe that their vote counts, as is the case when an election is closely contested, they are more likely to turn out to vote.
B) The influence of peers on the voting behavior of homogeneous communities tends to be stronger than that of school and family when an election is closely contested.
C) The influence of peers on the voting behavior of heterogeneous communities tends to be weaker than that of school and family when an election is closely contested.
D) Communities with high voter turnout are less likely to respond to stimuli, such as a closely contested election, than other communities, whether homogeneous or heterogeneous.