S4. In some places, speaking a certain language may cause________________.

A．He is only interested in applying for advertised jobs.
B．He’s convinced that there’s a shortage of jobs.
C．He doesn’t have time to read all the job ads.
D．He’ll help the woman change job search techniques.

A．Nineteenth-century sea captains.
B．The development of the steamship.
C．The economic importance of sailing ships.
D．Employment in the fishing and whaling industries.