What is "directed" research

A．give rise to feelings of hostility among scientists of different branches
B．involve an increasing number of scientists in a lot of extra work
C．get scientists directly involved in research projects with immediate industrial applications
D．yield fewer results with a greater amount of manpower and materials

A．Early in the century, some scientists worked for industrial research organizations.
B．Private industry or government departments have much interest in science.
C．Individual scientist has difficulty now making significant contributions to science.
D．Money plays a part in the shift of scientists from the pure to the applied fiel