Which of the Following Is True of the Sociotechnical Systems

Which of the following is true of the sociotechnical systems theory?

A) Most organizations did not adopt the sociotechnical systems theory for management problems until the 1940s and 1950s.
B) It was the first major approach to emphasize informal work relationships and worker satisfaction.
C) It was put into action in the late 1980s and 1990s when each of the large U.S. automakers created cooperative ventures with the major Japanese automakers.
D) It emphasized the perspective of senior managers within the organization.
E) It emphasized a structured, formal network of relationships among specialized positions in an organization.