答案：D

题目分析：考查从句，从句others actually understand缺少宾语，所以首先排除A，that可以做引导词，但是它没有实际意义；which可以做宾语，但是前面要有先行词，所以选D，句子意思“你打算查单词的信息可能是别人理解相反的东西”

点评：从句是高中阶段的重点和难点，是高考常考内容，需要考生能够分析理解句子的结构，熟记连词关系词的句法功能。

即学即练：As a child, Jack studied in a village school，______ is named after his grandfather．

A which        B where        C what      D. That

选A