Which of the following correctly describes roles played by interest groups and political parties in the political process?
a) Interest groups directly nominate candidates for political office, while political parties advocate for specific policy issues.
b) Interest groups focus solely on fundraising for political campaigns, while political parties organize grassroots activism.
c) Interest groups represent specific interests and advocate for policies, while political parties seek to gain control of government through elections.
d) Interest groups are primarily concerned with international relations, while political parties focus on domestic issues.