—Have you ever heard of cups made of ice, tables made with tires(轮胎)？
—Yes. These can ______ in a low-carbon(低碳) restaurant, _______ is one of London’s two zero-carbon buildings in the Expo’s Urban Best Practice Area(城市最佳实践区)。
A．be founded, that
B．find, which
C．be found, which

科目 英语   题型 单选题   难度 中等

知识点： 语态的辨析