If a state is a "Closed Shop" state, then this means which of the following: A.All employees, including public safety workers, can go on strike. B.All employees must join the union that organizes their place of employment, and the union can collect dues from them. C.All employees have the option of joining or refusing to join a union at their place of employment. D.No unions are allowed in the state at all. Union organizers are arrested if they try