Which of the Following Principles Is Most Clearly Associated with Scientific

Which of the following principles is most clearly associated with scientific management?

A) Workers will work harder if they are assigned and rewarded for completing specific tasks.
B) Workers will perform best if they set their own goals and desired reward system.
C) Workers will only work toward general goals that are stated at the organizational level.
D) Workers will work hard if they enjoy what they're doing; no financial compensation is necessary.