问题
选择题
Finally he reached a lonely island _________ was completely cut off from the outside world.
A．when
B．where
C．which
D．whom
答案
答案：C
句意为：最后他到达一个完全与世隔绝的孤岛。定语从句中缺少主语，因此使用关系代词；先行词island指物，故使用关系代词which.
【考点定位】考查定语从句