Question ID:PT91 S2 Q13 Passage:Psychotherapist:  The troubles from which a patient seeks relief through psychotherapy do not have purely internal causes; rather, those troubles result in part from the patient's relationships with other people. Hence, to help the patient heal, the psychotherapist must focus on the need for positive change in those relationships. Stem:Which one of the following is an assumption the psychotherapist's argument requires? Correct Answer Choice:DChoice A:Psychotherapists cannot help change their patients' relationships unless those patients focus on other people's troubles. Choice B:At least some psychotherapy patients cannot be healed if a psychotherapist helps them change their relationships with other people. Choice C:Those psychotherapy patients who change their relationships with other people will thereby find relief from at least some of their troubles. Choice D:No psychotherapist can help a patient heal solely by addressing the internal causes of the patient's troubles. Choice E:If a psychotherapist helps patients focus on troubles that are purely internal, then that psychotherapist thereby provides them the relief they seek.