All ______ is an English-Chinese dictionary.

All ______ is an English-Chinese dictionary.
A、that you need
B、what you need
C、which you have need
D、the things you need
【正确答案】：A
【题目解析】：本题考察主语从句，这句话的意思是：你所需要的是一本英汉字典。根据题意，句子完整，不缺少成分，故不需要what, which, the things去指代某物，A项的that起连接句子的作用，故选A。