题目：
"This practice" in Paragraph 1 most probably refers to the fact that the middleman ______.
A．increases the prices in the shops
B．buys from you and sells to me
C．aims remarks at manufacturers
D．interferes with end user customers
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A解析：这是新教材内容，注意!
