Building trust is important in:

A. Trust is certainly needed in the problem identification subphase, but it is not limited to that stage. B. The orientation phase is where trust first begins to develop, but it must also be sustained beyond this phase. C. All phases of the relationship is correct because trust is foundational to establishing, maintaining, and successfully terminating a therapeutic relationship. D. The exploitation subphase involves using available resources, but it also requires trust — therefore trust cannot be limited to this phase alone.