(单选题)

（）caused the Yanomano to have inter-tribal wars.

A.The shortage of women resulting from polygamy

B.The difference in wealth resulting from polygamy

C.The shortage of women resulting from monogamy

D.The difference in wealth resulting from monogamy

参考答案：A

参考解析：

细节题。从问题所问从原文第四段：polygamy is a way to increase one's wealth because having a large family increases help with hunting and cultivating the land. These marriages result in a shortage of women for other men to marry, which has led to inter-tribal wars.可得知一夫多妻制导致有的男人找不到老婆，引发内部战争，A符合文段表述。故本题正确答案选A。

知识点：细节题英语阅读理解通用英语

（ ）caused the Yanomano to have inter-tribal wars.

（）caused the Yanomano to have inter-tribal wars.