TOEFL Reading: ETS-TOEFL阅读机经 - 6827W_J5V0N71U0TL$

According to paragraph 5, which of the following factors led to rapid urbanization in the first half of the nineteenth century? A. The destruction of many farms due to bad harvests B. The reduction in the amount of good-quality farmland C. The rise in death rates in the countryside D. The lack of jobs in the countryside