TOEFL Reading: ETS-TOEFL阅读机经 - _J5NKSE69LT89_QLL$

According to paragraph 1, in which of the following ways did agricultural production in the Ottoman empire begin to change at end of the eighteenth century A. Agricultural products no longer contributed as much to the Ottoman economy. B. Agricultural workers left their farms to work in commercial industries in the cities. C. Farmers with small landholdings began to focus on a single task rather than on many tasks. D. Farm products were sold commercially instead of being kept for personal use.