跪求解答一道阅读题

JenniferQQUID: 3851376

There have been numerous well-documented extinctions of indigenous species caused by
the introduction of nonindigenous predators and pathogens. However, surprisingly few
extinctions of indigenous species can be attributed to competition from introduced species.
For example, during the past 400 years, 4,000 plant species have been introduced into North
America, and these nonindigenous plants currently account for nearly 20 percent of North
America’s plant species. Yet no evidence exists that any indigenous North American plant
species became extinct as a result of competition from introduced plant species. The scarcity
of documented extinctions caused by competition from new species could mean that such
extinctions take longer to occur than scientists initially believed or, alternatively, that
extinctions are rarely caused by competition from nonindigenous species.
1. The passage is concerned primarily with
A. Pointing out that a particular type of species extinction is rarely known to occur
B. Proposing a possible explanation for conflicting data about a particular type of species
extinction
C. Resolving a debate about the frequency of a particular type of species extinction
D. Comparing two theories regarding possible causes of a particular type of species extinction
E. Refuting a proposed explanation for the increasingly rare occurrence of a particular type of
species extinction

答案给的是B，但是我觉得文章并没有什么冲突的数据，我选的A，求解答

lyuchen.icaUID: 2626437

hi，亲。我也选的是A。 我看了一下“考满分”，他们也选的是A啊。没有问题啊。你的答案可能有问题哦。另外，B选项有太多不符的地方了：（1）explanation out of scope (2) conflict data: out of scope

JenniferQQUID: 3851376

lyuchen.ica 发表于 2017-11-27 23:04
hi，亲。我也选的是A。 我看了一下“考满分”，他们也选的是A啊。没有问题啊。你的答案可能有问题哦。另外， ...

这样啊，我在百度上没搜到答案，我还以为kmf没有这个题，，多谢你啊！

lyuchen.icaUID: 2626437

JenniferQQ 发表于 2017-11-28 12:36
这样啊，我在百度上没搜到答案，我还以为kmf没有这个题，，多谢你啊！

不客气。 考试加油~ ！！

我Me是个好人UID: 3724812

这道题确实应该是B, 只不过conflicting data在原文中的呈现形式不是一般意义上的data罢了, 而是整体与部分之间的矛盾, 即前两句.