type more than the letter, sorry, no exceptions$)$

The proven success of job specialization lies in the fact that

A$)$ it leads to groupthink.

B$)$ it avoids the pitfalls of division of labor, where workers become removed from thinking conceptually about the business.

C$)$ it is a detractor to others who are thinking about entering your industry because it successfully creates barriers to entry.

D$)$ it adds efficiency to the business's operation by identifying tasks that some do better than others.