In Collaborative Therapy, What Does It Mean When the Problems

In collaborative therapy, what does it mean when the problems "dissolve"?

A) Participants in therapy find traditional solutions to their problems or issues during the course of therapy.
B) Participants no longer have problems or issues to discuss in therapy.
C) Participants do not hold on tightly to their problems or issues.
D) Participants understanding of their problems or issues evolves through the dialogue of therapy.