题目
—Wow, your dress is so beautiful. Could you tell me ______?
—Oh, I bought it in an online store.
—Oh, I bought it in an online store.
A.
when you bought it
B.
where you bought it
C.
how much you spent on it
D.
how long you have had it
知识点：连接副词where引导宾语从句章节：未标注