TOEFL Reading: ETS-TOEFL阅读机经 - PAUTNAWSMJRS1Z55L$

The author mentions "olive oil" and "decorated pottery" to support the claim that A. the inhabitants of Roman Britain had access to daily and specialty products B. the rise in product manufacture caused a notable increase in waste material C. a number of commodities were manufactured in Britain prior to the Roman conquest D. imported goods had become a common feature of Roman Britain's economy