FINAL ANSWER: <u><em>Answer D</em></u><u>. Before this, he taught guitar lessons.</u>
All the other answers (<em> A. ; B. ; C.</em> ) still incorporates the main idea which is Brian who is into jazz.
<em>Answer A.</em> links Brian to jazz because of his love for it.
<em>Answer B.</em> mentions Brian incorporating jazz into his lifestyle by making it a job.
<em>Answer C.</em> tells about through Ben hosting jazz has been shared.
<em>Answer D.</em> however does mention Ben but does not mention jazz and how it has helped him to where he is in his life now with jazz.
The answer is B, creating post offices.
I had repaired damage from car accidents. I think that's the answer.