题目内容
（请给出正确答案）
[主观题]
Barter usually takes the place of money transaction where______.A．there is only saltB．meta
Barter usually takes the place of money transaction where______.
A．there is only salt
B．metal tools are used
C．the people's trading needs are fairly simple
D．money is unheard of
如搜索结果不匹配，请 联系老师 获取答案
