According to the Theory of Alienation,how Does the Division of Labor

According to the theory of alienation,how does the division of labor alienate human beings from their work?

A) by forcing many immigrant workers to become illegal aliens in other countries and to work without the basic protections offered to documented workers
B) by dividing workers into separate industries and thus disallowing them from uniting in common causes
C) by separating workers on the basis of racial,economic,and social differences into ghettos far from their places of work
D) by giving workers little control over their jobs,only contributing a fraction to the creation of the overall product.