( ) has become a fact of modern life， w

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问题 ( ) has become a fact of modern life， with millions of people now shopping on-lineA.E-mailB.E-commerceC.E-learningD.E-communication

选项

答案 B

解析电子商务已经成为现代生活中的显示，现在已有数百万人在线购物。

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