你好想是把题目看反了吧,(A)是说很多最近牛的死亡实际上是由CXC引起的,只是由于和另一种病的病症很像,所以被误归为另一种病了
我一次也看反了,你再看看啊:)
我想不通答案为什么是D.农民不再报告病列,不是应该减少百分比吗?怎么会增加呢?求助求助!
Yes, you are on the right track, the goal of weakening the argument is to show that CXC has not increaed in virulence but decreased, just as you said.
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