According to the Principles of Scientific Management,the Best Way to Improve

According to the principles of scientific management,the best way to improve productivity is to:

A) give workers greater recognition for their efforts.
B) establish open two-way communications among all of the organization's workers and managers.
C) use time-motion studies to find the best method of doing each job,then teach those methods to workers.
D) use job rotation and job enlargement to make work more interesting and challenging.