What effect does the repetition of the phrase "that’s what friends are for" by both main characters at the end of Scene 2 have on the play? A. The repetition of the phrase illustrates that Lisa and Kurt are both willing to participate in activities they don’t enjoy in order to spend time with a good friend. B. The repetition of the phrase explains why Lisa and Kurt spend time with different people while at school. C. The repetition of the phrase proves that friendships are only valuable if two people have opposite interests. D. The repetition of the phrase shows that both Lisa and Kurt are happy to have met a person that introduced them to new activities.