问题
选择题
The tower_____ in the 1800s is the oldest building in this area.
A．to be completed
B．being completed
C．completed
D．Completing
答案
答案：C
题目分析：考查非谓语动词。tower和complete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 completed in...。故选C。
