单选题
By the end of the weekend sale, the hardware store sold all the______items it had advertised in Friday's newspaper.
【正确答案】
C
【答案解析】解析:根据上下文语义,此处表示“在优惠结束之前卖掉了所有的打折商品”,由此可知动词discount(打折扣)的过去分词形式(C)discounted是正确答案。(A)exchanged意为“交换”,(B)refunded意为“退款”,(D)concluded意为“结束”。