By using bar codes developed By Wal-Mart, manufactures enjoyed more says over retailers.A.YB.NC.NGA.A.YB.N

未知题型

By using bar codes developed By Wal-Mart, manufactures enjoyed more says over retailers.
A.Y
B.N
C.NG

A.A.Y
B.N

【参考答案】

B
解析：第2个小标题Wal-Mart Strategy部分的第1段第3句：The bar allowed re......

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