The Town Hall in the 1800’s was the most distinguished building at that time.A. to be co

问题补充：

The Town Hall in the 1800’s was the most distinguished building at that time.

A. to be completed

B. having been completed

C. completed

D. being completed

答案：

A. to be completed

B. having been completed

(答案→)C. completed

D. being completed

解析：过去分词作定语的用法。解析：由句子中的过去时间状语in the 1800’s可知，空格内应填过去分词completed表已完成的被动动作。句意：“19世纪建成的城市大厦是当时最著名的建筑。