In this sentence it is an adverb :)
Answer:
cultivated - refined or cultured in manner
Explanation:
I can already tell you that you can eliminate the first two answers. Out with the old and in with the new and love can overcome all obstacles. I have not read the book, but I read a briefly summary of it online. After all it is about life and struggles. Life, consciousness, existence and finding hope. That's how I know it's D. The struggle to find faith is a difficult one but will ultimately be worth the fight Hope I helped.
