After the earthquake, a new nuclear station was put up ______ there had once been a farm.
【正确答案】 A
【答案解析】考查状语从句引导词。a new nuclear station was put up是一个完整的句子,这里需要填入一个状语从句引导词,根据后面的there had once been a farm可知说的是地点,所以选A。