完形填空（共20小题；每小题1分， 满分20分） 请阅读下面短文，掌握其大意，根据各题所给的四个选项(A、B、C、和D)中，选出最佳选项，并在答题卡上将该选项的标号涂黑。 The story happened ages ago, when my daughter was still little. I was driving across the country with my daughter tomy husband. I wanted to reach my destination before supper time, I quickly for a long time without a stop. Then after driving for many miles, I became and needed to stop for a(n)to get refreshed. I found a rest area. It was mostly, in a quiet area of the highway. I the car and carried my daughter into the restroom. When I came out I saw a middle-aged couple around. Feeling about that, I asked the lady. What surprised me was: they were waiting for us! The ladyme that she and her husband wanted to see us safely back into our car. She informed me that sometimes rest areasbe a dangerous place for a young lady like me. I was very by their being soto a stranger. Being young, and probably inexperienced to the dangers of rest areas, it had never occurred to me that there was any of something going wrong. Ithem for their kindness and continued the journey, reaching our destination safely. I never got their names but years have and the memory of their kindness is stillrooted in my mind. Sometimes angels(天使) come in make-up and just because you can’t see theirit doesn’t mean they aren’t angels.