Which of the Following Statements Is True About Arbitration

Which of the following statements is true about arbitration?

A) Interest arbitration is frequently used in the private sector.
B) Arbitration is most frequently used in the resolution of grievances between the parties involved in a dispute during a contract period.
C) Arbitration can seldom be used to resolve impasses during collective bargaining.
D) Conventional interest arbitration requires an arbitrator to listen to arguments from both parties of a dispute and make a nonbinding decision.