【题目】The president, together with his bodyguard，__________ to the nuclear station __________ there was an accident 20 minutes ago.
A. have come; which B. came; in which
C. has come; where D. came; in which
在线课程【答案】C
【解析】句意：总统和他的警卫已经来到20分钟前发生事故的核电站。分析句子可知名词station后跟定语从句，关系词在从句中作地点状语，故用where来引导。