— Do you know the tower in the heart of the city? — Do you mean the one to the north of

问题补充：

— Do you know the tower in the heart of the city?

— Do you mean the one to the north of the city library?

A. locating; lay

B. located; lying

C. being located; lying

D. located; lay

答案：

A. locating; lay

(答案→)B. located; lying

C. being located; lying

D. located; lay

解析：第一空考查过去分词做定语，be located in“位于”，located in the heart of the city修饰the tower，第二空考查现在分词lying做定语，修饰the one，因为the one和lie是主动关系，句意是;--你知道位于市中心的塔吗？--你意思是位于市图书馆北面的那个吗？选B。