请选择合适的单词选项，补充下面的英文句子：Wepromisetogiveyouafullrefundiftheproductsarenotas（）. A: shipped B: provided C: described D: needed
请选择合适的单词选项，补充下面的英文句子：Wepromisetogiveyouafullrefundiftheproductsarenotas（）. A: shipped B: provided C: described D: needed
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