I feel like agree with (B) much more because in the question it states that the quote has to show the "cultural complexity" of the genre meaning that its not as static as it was before as mentioned in question A. , but how it evolved over-time thus becoming more complex : branching out into different ideas of race and class .
I would say definitely use your time wisely. Make sure you are fully focused too. Though it may be difficult to focus, (I understand) try and find some outside resources that can help you bring interest into what you're learning in any subject.
the answer is, Their. I assume that is one of the options.
An individual must, learn how to establish their identity in life and how to look for a way to stay committed to their goals and aspirations. In other words, adolescents have to find a way to succeed in life and but at the same time, give others an idea of their personality and ability. Hope that helps.