The answer last one. as you can see it repeats the idea of the sentence. I'm positive about this. My first choice was wrong.
I hope this helps
I would say A Jim felt important enough to place his full name in the mailbox when he enjoyed a higher income.
Answer:
<em>Antithesis</em>
Explanation:
Antithesis<em> makes a connection between two things. In the first sentence, the author mentions </em>strange things that happen<em>. Then, in the second and third, mentions </em><em>what</em><em> these strange things are.</em>
<em>Hope this helps you.</em>