As a family therapist, you will treat the family as a system. When working with a system, you are ethically obligated to:
Explanation
Answer - B - Sharing everything across the system is impractical and in some cases, unethical. Talking to each person individually removes the essence of family work. Terminate treatment at the correct interval, yes, but you’re obligated to do that with individuals and couples, too. Overall, when working with families, it will be hard not to develop therapeutic allegiances for the purposes of alignment and unbalancing. When creating these relationships, it is important to be honest about that.