问题 2下面哪一项最符合文中的关键细节？A. 与片段开头“Lina loved reading after school. One afternoon, she found a small note inside an old library book. The note told her to look behind the tallest shelf before sun”相关的细节B. 一个与本段无关的背景知识C. 作者对现实世界的评价保存答案