完形填空 A few years ago,I boarded a plane to Disney World with my 8-year -old kid Lucas

阅读下面短文,从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。A few years ago,I boarded a plane to Disney World with my 8-year -old kid Lucas.Even before boarding,I was filled with  21   . Lucas is an autistic (自闭症) boy.Traveling outside his comfort zone can som...