One of the common reactions when you get lost is fear, which may cause you running around wildly.
参考答案:Y
解析:文章第八段指出“There are two common reactions you’ll want to avoid.One is panic,which usually triggers the flight response in humans.Running wildly around,even for a few minutes, could get you irretrievably lost(if not injured).”你应当避免的是两个反应:一是恐慌,这是人的通常的反应,毫无目的地跑上几分钟会使你不可挽回地永远迷了路,题干与原文相符。