What Motivates Workers,according to the Classical Theory of Scientific Management

What motivates workers,according to the classical theory of scientific management?

A) Workers are motivated by desirable working conditions.
B) Workers are motivated by the amount of social interaction on the job.
C) There are five levels of human needs with the individual being motivated by a higher level need only after the lower needs have been satisfied.
D) Workers are motivated by their level of responsibility.
E) Workers are motivated solely by money.