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.
Things are compared with other things to:
1. give them a deeper meaning
2. explainations
3. To show similarites
Well, the answer is definitely C - modernization. The traditional society refused to modernize in any way, but with the development of technology and the inevitable era of industrialized society, they had no choice but to modernize.