Final answer:
Third-party intervention can be involved in various ways, but it does not include working with the other person(s) to resolve the conflict issues.
Step-by-step explanation:
Third-party intervention can be involved in various ways, but one way that is not included is D) working with the other person(s) to resolve the conflict issues.
In third-party intervention, you may ask for third party assistance for your own conflicts, assist others in finding appropriate third parties, or serve as a third party yourself.
However, directly working with the other person(s) to resolve the conflict issues is not considered third-party intervention.