The conflict lies within Holden's thinking.One part of him wants to become free and behave like an adult but part of him revolts with this idea and thinks that behaving like an adult will not be genuine .Holden is in to relationships with Sunny and Sally but is unable to handle them properly and carefully.Holden begins t doubt his abilities to handle girls and finally leaves his apartment.
C. Hearing her father cry leads her to realize that life is complex and full of uncertainty.
I believe the answer is D. It uses weak words to describe.