【题目】After graduation from high school we will reach a point ________ we have to decide which university to attend.
A.that
B.what
C.which
D.where

【答案】D
【解析】句意：高中毕业后我们将到达一个我们必须决定上哪所大学的点。先行词为point时，定语从句关系词要用where，故选D。