It's impossible for all the people to get jobs because of them are not fit for them. A.

问题补充：

Its impossible for all the people to get jobs because of them are not fit for them.

A. none of

B. all

C. not all

D. every one

答案：

A. none of

B. all

C. not all

D. every one

解析：

not all... / all...not...为部分否定，并非都......，按照句意为半否定句子，句子已经有了not，故排除A，C,D项意思不符。