試題詳解

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(A) That is how Wal-Mart became the world’s biggest retailer.
(B) Some retailers refuse to provide quality commodities at lower prices.
(C) That is how Wal-Mart became one of the world’s most controversial companies.
(D) It is a lesson that the El Segundo, a Calif.-based toy manufacturer, and thousands of other suppliers learned from the world’s biggest retailer.