By describing theorists as cold, rational, deliberate machines, the author intends to imply that theorists are actually individuals of______.

A．In a theater.
B．In a clinic.
C．At a bank.
D．In a plane.

A．The boss was hard to get along with.
B．The chances for advancement were limited.
C．The job was not well paid.
D．He would like to try something new.