题目内容
(请给出正确答案)
[单选题]
你在给母亲买一枚珍珠胸针做生日礼物,想询问关于珍珠胸针品质保证书的事,可以这样向店员说:()
A.Are you a reputable jeweler?
B.Do you provide an authenticity certificate?
C.Are these genuine pearls?
D.Can I come back if there is anything wrong with them?
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