He has an epiphany about General Zaroff’s attitudes towards humans and what it feels like to be rich.
Balance your freedom and responsibility by managing your time. After figuring out your class (and/or work, internship, volunteering, etc) schedule, go through your calendar and set aside a specific time just for studying and homework.
If the grammatical structure that is italicized is <em>although her personality had not changed at all, </em>then the correct answer is adverb clause. Adverb clauses function the same way simple adverbs do - they answer the questions such as why, where, when, how, etc.