In Demand Paging When a Job Requires a Certain Page

In demand paging when a job requires a certain page to be loaded and there is no empty page frame,____ .

A) A resident page must be swapped back into secondary storage.
B) The page cannot be loaded and the job will exit.
C) The job must wait until a page frame is freed by another job.
D) The page will share a page frame with another page from the same job.