Which of the Following Is True About the Changes in Industrial

Which of the following is true about the changes in industrial bargaining structures and their outcomes?

A) Professional sports are the least organized,with baseball and basketball players exercising low bargaining strength.
B) Declining unionization in health care and the consolidation of health care providers has led to the reduced use of organization-wide bargaining structures.
C) Unionization in the construction industry has increased as employers have increasingly established nonunion subsidiaries.
D) The Communications Workers have some of the major local operators who are neutral in organizing campaigns and/or allow card checks for recognition in their wireless business units.