Working can also provide you with greater independence and control over your life. Working allows you to learn new things, improve your talents, and make friends with others you meet on the job. People strive to contribute to and be a part of their communities.
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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.
I think you need to add more context to this question