Unlike a tightrope, a ________ will sway up and down or from side to side

Zoo is to animals as______. () A: school is to education B: prison is to policemen C: circus is to tightrope D: letter is to mailbox E: factory is to workers

What is the purpose of paragraph 5 (starting line 55)? A: to show why driving and tightrope walking are such risky activities B: to give examples of how practicing a risky activity can reduce fear of it C: to illustrate how some people are attracted to risky activities while others aren’t D: to explain why some activities are riskier and more dangerous than others