问题
单项选择题
In order to obtain the needed information, you should write simply, clearly, and concisely ________the reader wants to know.
A．what
B．that
C．so that
D．which
答案
参考答案：A
解析：固定搭配。空格处的词既做主句的宾语，又做从句的主语，因而应选先行词和关系代词的结合体的“what”，表示“……的东西”。
