Specialization of Labour Not Only Results in the Ability to Produce

Specialization of labour not only results in the ability to produce a larger quantity of goods due to innate differences in people's skills,but also in

A) rigidly segmenting work.
B) switching back and forth among numerous tasks.
C) breaking a task down into mind-numbing repetitive tasks.
D) deepening skills through practice and experience.
E) eliminating the need to train and educate the workers to perform different tasks.