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

下面哪一种定位方法不常使用：（）

A.示指同身寸

B.中指同身寸

C.横指同身寸

D.拇指同身寸

E.简便取穴法