He came to a point there was no more road to follow, and before him he could see nothing but a thick forest.
A. that
B. what
C. which
D. where
网友回答
A. that
B. what
C. which
(答案→)D. where
解析：考查定语从句，先行词是a point“一个阶段”，定语从句中缺少地点状语，用where引导定语从句，句意是：他来到一个阶段，这里没有其他路走，他前面只能看见茂密的森林。选D。