问题
选择题
She showed the visitors around the museum, the construction ________had taken more than three years.(2011·江西)
A．for which
B．with which
C．of which
D．to which
答案
答案：C
C [考查定语从句。先行词为museum，在从句中充当定语，博物馆的建造工程花费了超过三年的时间。介词用of。选C。]