TOEFL Listening: TPO-TOEFL阅读TPO - 0X2105552Q105HHRN$

According to paragraph 1, each of the following is true about railroad track in the United States EXCEPT: A. In 1850 the United State had less than 10,000 miles of railroad track. B. By the end of the 1850s, Ohio and Illinois contained more railroad track than any other state in the country. C. Much of the railroad track built in the United States during the 1850s was located west of the Appalachian Mountain. D. By 1860 there were more miles of railroad track in the United States than in any other country.