Which of the following statements about voice sites is INCORRECT？A．They are in many ways s

Which of the following statements about voice sites is INCORRECT？

A．They are in many ways similar to conventional websites.

B．Blind people may use them too.

C．They do not require a computer server.

D．Anyone who can speak and hear is able to use them through phone.

请帮忙给出正确答案和分析，谢谢！