您现在位置:模拟考场> 湖北成人高考> 专升本> 大学英语> 浏览试题
[单选题][单选题] According to the passage, which of the following was the earliest kind of exchange of wealth?
  • ABartered foods.
  • BFiat money.
  • CCoin currency.
  • DIntangible forms
  • 收藏 查看答案