Which of the Following Statements Is True of the Free-Rider

Which of the following statements is true of the free-rider problem?

A) higher the cost of organizing, the more serious the free-rider problem
B) bundling together nonmarket action and services for interest group members increases the free-rider problem
C) free-rider problem does not affect the funds available for nonmarket action
D) higher the costs of collective action, the less prevalent the free-rider problem