Oxymoron for instance " jumbo shrimp"
The statement which paraphrases this excerpt best is the fourth option, "This man, who was smart in school, has grown up to be unintelligent". Brutus, here was exclaiming about what a stupid man the fellow has become, because he was so sharp when he was in school.
He makes his money by using racial tactics
You can predict that they will remain married and will live happily. He may have cheated on her with Cassandra, but what the man did back then didnt matter. Since she remained loyal and steadfast to him, he chose to remain with her.