I believe it’s answer B, some context would be great though
Education in ancient<span> Rome progressed from an informal, familial system of education in the early Republic to a tuition-based system during the </span>late<span>Republic and the Empire. The Roman education system was based on the Greek system – and many of the private tutors in the Roman system were Greek slaves or freedmen.</span>
Answer: I believe that it is A but I'm not sure.
Explanation: