请教各位NN~ prep cr1-21 (28551-!-item-!-188;#058&003690)

sallyruru

Traces of cultivated emmer wheat have been found among the earliest agricultural remains of many archaeological sites in Europe and Asia.The only place where the wild form of emmer wheat has been found growing is a relatively narrow strip of southwest Asia.Since the oldest remains of cultivated emmer wheat yet found are from village sites in the same narrow strip, it is clear that emmer wheat was first domesticated somewhere in that strip.

Which of the following, if true, most strengthens the argument?

(A) The present-day distribution of another wild wheat, einkorn, which was also domesticated early in the development of agriculture, covers a much larger area of southwest Asia.

(B) Modern experiments show that wild emmer wheat can easily be domesticated so as to yield nearly as well as traditionally domestic strains.

(C) At the time when emmer wheat was first cultivated, it was the most nutritious of all the varieties of grain that were then cultivated.

(D) In the region containing the strip where wild emmer wheat has been found, climatic conditions have changed very little since before the development of agriculture.

(E) It is very difficult, without genetic testing, to differentiate the wild form of emmer wheat from a closely related wild wheat that also grows in southwest Asia.

答案选D~
不是很明白这道题在干嘛，请教各位NN了~先谢过~~

sallyruru

呜呜呜呜，没人理我~自己顶一下~

hardonheart

个人理解是：
第一句话铺垫背景，基本没有用
野生的emmer wheat只在SA strip 上被找到， 而最早被发现的种植的emmer wheat 也在 SA strip，所以 emmer wheat 最早被种植是在 SA strip.

A B C 都是无关项
E 是削弱
D是支持

sallyruru

哦，谢谢~
可是我还是不是特明白为什么天气状况没咋变就strengthen了呢？

hardonheart

原文的ASSUMPTION就是说因为在SA上有野生的EMMER, 所以最早发现的种植的EMMER很可能是人们从野生的EMMER那继承来的，如果对D取非，在人们种植之前（argreculture），气候有了很大的变化，即暗示野生的EMMER 很可能不存在了，那么得出的结论就有争议了

yangmars

顶楼上，多谢解答，我是没看清题目里的cultivated wheat ，还在想，如果不容易被种植，那么野生发现的再早也不一定有用啊，所以就选了B 。

jetball

看了楼上的解释还是不明白。。。