It is impossible for all of the people to get the jobs because _them are not fit for the work.A all of B none of C both of D every one of .为什么不选D?

It is impossible for all of the people to get the jobs because _them are not fit for the work.
A all of B none of C both of D every one of .为什么不选D?

后面谓语动词是are

选A，部分否定