The phrase "be called for" in the last paragraph but one most probably means ______.

A．The new type of advertisement means to offer help in people's applying for job vacancies.
B．Your search is over. I am the person you are looking for is a frequently used trick to impress potential employers.
C．There was a time when an application letter and an interview were all that was needed to get a job.
D．The munber of job hunters with a college degree has been on the rise all these years.

A．umemployment rate has been climbing
B．there is a lack of jobs available for artist
C．the job history is considered to be a work of art
D．there is a shortage of top level jobs