I think B is correct, tell me if I am wrong. I hope I helped you!
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.
Hey there!
The most common belief for why he did this was to promote originality. Most poets in that time used rhyming meters, and they still do today. In fact, you were probably taught rhyming meters in school - they follow rhythm and pattern that isn't subject to change.
Robert Frost wanted to break the rules. Considering the nonexistent popularity of the style he intended to use, he created an entire new type of poetry and writing by breaking the rules themselves. There was no rhyme, but there certainly was reason.
Hope this helps!