The tower in the 1800s is the oldest building in this area.
A. to be pleted
B. being pleted
C. pleted
D. Completing
网友回答
A. to be pleted
B. being pleted
(答案→)C. pleted
D. Completing
解析：考查非谓语动词。tower和plete是动宾关系，即“build a tower”，应该使用过去分词作后置定语，相当于定语从句which was pleted in...。故选C。