Which of the Following Describes the General Trend of People

Which of the following describes the general trend of people answering the question, "Is it possible to start out poor, work hard, and become rich?"

A) More people answered "yes" in 1983 than 2005
B) Every year more people answer "yes" between 1983 and 2005
C) The number of people answering "yes" depends on fluctuations in the economy, but on the whole, people are more likely to answer "yes" in 2005 than in 1983.
D) The number of people answering "no" depends on fluctuations in the economy, but on the whole, people are more likely to answer "no" in 2005 than in 1983.