Which of the Following Does Not Represent One of the Reasons

Which of the following does not represent one of the reasons for white-collar workers being higher in demand than blue-collar and primary industry workers?

A) There is an increased need for information-based workers.
B) There is a need for workers in the manufacturing sector.
C) There is an increased need for highly skilled and educated workers.
D) There is a need for skilled workers to be involved in organizations and government.