people with mental-health problems want most of all is a more equal and open wor

________ people with mental－health problems want most of all is a more equal and open working culture.

A．That  B．What C．When       D．All what

试题答案

B

解析:

主语从句_____people with mental-health problem want缺少宾语，要用what引导，且充当want的宾语。故选B。