Answer: B. Classical Latin.
During the renaissance, well-educated people learned classical Latin. Classical Latin was well taught by scholars and educators and this contributed to its popularity during the renaissance. With this, well-educated people opted for classic Latin and this, in turn, led to the increase in the sense of aristocracy among the elites and well-educated people.
Generally, the renaissance witnessed the growth of subjects like poetry, grammar, rhetoric, and moral philosophy. Classical Latin came from contemporary Latin and although not used for everyday conversations and as a vernacular, it was well known by the elites of society used mainly in schools as a sign of brilliance.