According to the passage, the Pony Express riders ore ______.

A．To help people travel from coast to coast.
B．To train riders for competition.
C．To transfer materials and messages.
D．To arrest criminals in the West.

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 number of job hunters with a college degree has been on the rise ail these years.