问题

填入下面文段空白处的词语，最恰当的一组是（）野生兰花有两万多种，花的形状、大小、颜色、香味千奇百怪，但是目的只有一个：用花香吸引昆虫或蜂鸟来采蜜，花粉沾到了它们的身上，① 能帮助兰花传粉。② 兰花的繁衍离不开这些授粉者，③ 它有着什么样奇怪的形状、构造，④ 为了适应授粉者。授粉者为了能采到花蜜，⑤ 要适应兰花。在自然选择的作用下，兰花和授粉者⑥ 一起进化。 ①②③④⑤⑥．

A:才所以无论也只是就就
B:就因此不管也都是也会
C:/那么即使也是都才
D:然后这样尽管但都是就/

正确答案是：

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