A Key Difference Between a Mediator and an Arbitrator Is

A key difference between a mediator and an arbitrator is that:

A) a mediator is a lawyer who represents either labour or management in a labour dispute,while an arbitrator is an impartial advisor who listens to both sides of the dispute and offers suggestions that help the two parties reach a mutually acceptable agreement.
B) a mediator is an unpaid volunteer,while an arbitrator is a paid professional.
C) a mediator is appointed by labour and management,while an arbitrator is appointed by the federal government under terms set forth in the Taft-Hartley Act.
D) an arbitrator can settle a labour-management dispute by rendering a binding decision,while a mediator can only make suggestions and encourage the two sides in a dispute to continue negotiating.