Which of These Best Describes the General Hypothesis Tested in Study

Which of these best describes the general hypothesis tested in Study 1?

A) The impact of various motives on participation will vary depending on the type of activity.
B) People who care about politics are more likely to vote.
C) The value expression motive is more important to women than to men.
D) People who have more time and money are more likely to participate in politics than people who have less time and money.