I 阅读理解（共两节，满分20分）
第一节（共15小题；每小题1分，满分15分）
阅读下列短文，从每题所给的四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
A
When Julie Jones and Caroline Atkin were schoolgirls, they promised to be best friends for ever. Years later, Caroline died from a brain tumor at the age of 45, leaving five children. In her last weeks, she asked Julie to raise the children as her own. Julie, a single mother of three with a small income, didn’t hesitate.
