TOEFL Reading: ETS-TOEFL阅读机经 - W6OVM35J5M5J65KXL$

All of the following are discussed in paragraph 4 as changes in Greek society after bronze was introduced EXCEPT: A. Social differentiation within communities increased. B. Metalcraft workers became more specialized. C. Methods were invented for documenting the distribution of goods. D. Craft workers gained greater independence from local chieftains.