C. As a harmless prank is the answer
Individuals with higher education levels are more likely to be informed about issues and more willing to invest the time and energy in joining an interest group that represents their views. They also are more likely to understand how important interest groups are in shaping public policy.
Answer:
That they would fail without the book. They are not studying because they can just use a book to cheat.
Explanation:
An idea that is not actually stated in the text, but is kind of referred to, would be an alliteration I believe.