TOEFL Listening: ETS-TOEFL听力机经 - HC45EFZZXG38F0D6P$

Why does the professor mention the Adam Brothers' firm? A. To explain how early American architectural design principles became popular in Great Britain B. To point out that most early American architects had little or no formal training C. To explain one way in which ancient Roman architecture came to influence Federal style architecture D. To point out that British architects in the 1700s rejected the architectural design principles of ancient Rome