The figures printed below the stripes are codes of the producer and the product. UPC is the most important invent in last centr

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问题 The figures printed below the stripes are codes of the producer and the product.
UPC is the most important invent in last centruy.

选项 A、Right
B、Wrong
C、Doesn’t say

答案C

解析文中只提到它是一项重要发明，但并没提到是“最重要的”。

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