According to Page and Shapiro, Public Opinion at the Aggregate

According to Page and Shapiro, public opinion at the aggregate level moves predictably in response to changing political, economic, and social circumstances and is indeed rational primarily because

A) opinion leaders have a disproportionate effect on other citizens.
B) the random errors in individual responses cancel each other out.
C) public opinion is ultimately shaped by how the media frame issues.
D) most respondents are politically aware and act in their own self-interests.
E) most polls are written so that respondents are guided to the expected answer.