单选题：The function of the word "Traditionally" in Paragraph 2 is t

题目分类：理工类
题目类型：单选题
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题目内容：

The function of the word "Traditionally" in Paragraph 2 is to show __________. A．the positive effects of coffee
B．a change of coffee growth
C．something that is the most important
D．how coffee production used to be

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