（2016高考模拟选编）阅读下面短文，掌握其大意，然后从各题所给的选项中选出最佳选项。
体裁：夹叙夹议 话题：道德修养 词数：286 时间：16′
Karen，Judy and I were the last ones back in the school room after lunch and all of the other sixth graders were already playing outside.
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