Why was Greg so curious when he found an 8 ball underneath Rodrick's bed, and how did he use it?
A) Because he thought it was a valuable item and wanted to keep it as a collectible.
B) Because he was intrigued by its mysterious nature and used it to ask yes-or-no questions.
C) Because he wanted to use it as a prop for a magic trick to impress his friends.
D) Because he believed it was a lucky charm and carried it with him everywhere.