The question is asking to choose among the following choices that states and describes the Renaissance and base on my own research and on my further understanding about the said question, I would say that the answer would be letter B. there was an increased interest in the art, architecture and learning of classical Greece and Rome.
I believe the term refers to architectural styles which draw inspiration and influence from forms seen in nature. Or, architecture that is built to blend seamlessly into natural settings like cliffsides or forested areas.