Industry is primarily interested in applied research because it ______.

A．Employment became widespread in the 17th and 18th centuries.
B．Unemployment will remain a major problem for industrialized nations.
C．The industrial age may now be coming to an end.
D．Some efforts and resources should be devoted to helping more people cope with the problem of unemployment.

A．Create situations in which people work for themselves.
B．Treat employment as the norm.
C．Endeavor to revive the household and the neighborhood as centers of production.
D．Encourage people to work in circumstances other than normal working conditions.