TOEFL Listening: ETS-TOEFL听力机经 - 1G4FGA3XRM320U4AP$

What is the professor's opinion regarding the economic impact of villas built by wealthy landowners? A. Their impact was so localized that they were unaffected by the fall of the empire. B. The closer they were to Rome, the greater their chances of financial success. C. They were profitable enough to have played a role in the decline of the empire. D. Their impact was felt mostly by other nearby landowners rather than in Rome.