In some countries is called equality does not really mean equal rights for all people.A

问题补充：

In some countries, is called equality does not really mean equal rights for all people.

A. which

B. that

C. what

D. one

答案：

A. which

B. that

(答案→)C. what

D. one

解析：句意:在一些国家，自成为平等的并不真正地给人们平等的权利。这里是what引导的主语从句，what在从句中做主语，which不能在从句中做主语，that在主语从句中不作成分，没有词意；one不能起连接的作用，根据句意故选C。