Which of the Following Is an Advantage of Mediation

Which of the following is an advantage of mediation?

A) Only that it helps disputing parties preserve their relationships.
B) Only that parties to mediation have a high level of autonomy.
C) Only that the mediator solves the dispute if the parties are unable to do so.
D) It helps disputing parties preserve their relationships, and also parties to mediation have a high level of autonomy.
E) It helps disputing parties preserve their relationships, parties to mediation have a high level of autonomy, and the mediator solves the dispute if the parties are unable to do so.