The best answer choice would be Interpersonal Psychotherapy, which is a branch of Cognitive Behavioral Therapy, or CBT.
Explanation:
In general, Interpersonal Psychotherapy, or IPT, which is a branch from Cognitive Behavioral Therapy (CBT) is used in cases like Kylee because they are shorter and help the patient focus most exclusively on the interpersonal issues that might be affecting Kylees capacity to establish a relationship with her boyfriend. By using IPT, the therapist leads Kylee to bring forth those traumatic memories and experiences from her childhood relationship with her mother that are affecting her establishment of other relations, as she is evidently mirroring them on her boyfriend.
It is definitely false that sexual awareness is usually not a significant issue during adolescence. In fact, it is one of the most important issues during that period.