TOEFL Reading: ETS-TOEFL阅读机经 - 373S6GH41Z1HT5BKL$

According to paragraph 3, the increased importance of grape and olive cultivation led to which of the following changes in Greece? A. An increase in the number of inhabitants B. An increase in the amount of grain traded C. An increase in the percentage of farmers in the population D. The development of new methods of storing foods