Clients of therapists who do not monitor the quality of the therapeutic alliance are likely to feel more respected and supported by the therapist likely to feel more hopeful about overcoming their disorder less likely to find the psychotherapy

The answer that will complete the sentence is more likely to drop out of therapy. It is because it is a priority of a therapist to monitor the quality of therapeutic alliance and when they do not engage to this, it is likely that they are not mean to this kind of work. 

answer; permissive;

the answer there would be genocide.