In an effort to reduce their inventories, Italian vintners have cut prices;their wines have been priced to sell, and they are. a.have been priced to sell, and they are b.are priced to sell, and they have c.are priced to sell, and they do d. are being priced to sell, and have e. had been priced to sell and they have 看了前人的讨论，还是没有弄明白这句话到底是什么意思？主要是后半句看着费劲，they do sell怎么理解？they应该是酒商，总觉得they do sell表达的意思和前面的their wines are priced to sell差不多，不明白怎么能翻成“他们确实卖出去了”，谁能给我讲解一下。多谢！
