TOEFL Reading: ETS-TOEFL阅读机经 - 8QSFO_E7KP744OX3L$

In paragraph 2, the author mentions the characteristic American preference both for independent living and for rural living to A. identify one of the factors that affected the configuration of urban and suburban areas in America in the nineteenth century B. explain which of the three forces mentioned – economics, transportation technology, and demographics – was the most important in shaping American cities and suburbs C. explain how decisions were made in American nineteenth-century cities and suburbs about locations for businesses and factories D. provide evidence showing that industrial growth was able to generate higher incomes for much of the population in nineteenth-century cities and suburbs in America