单选题:When the “free trial” deadline is over, you’ll be charged wi

  • 题目分类:英语六级
  • 题目类型:单选题
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题目内容:
When the “free trial” deadline is over, you’ll be charged without notice for a product or service if ________. A.you happen to reveal your credit card number
B.you fail to cancel it within the specified period
C.you fail to apply for extension of the deadline
D.you find the product or service unsatisfactory
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