问题补充：
After graduation she reached a point in her careershe needed to decide what to do.
A. that
B. what
C. which
D. where
答案：
A. that
B. what
C. which
(答案→)D. where
解析：关系副词where引导定语从句修饰表示地点的先行词，在定语从句中充当地点状语。point意为“点”，后接定语从句where she needed to decide what to do表示“她需要决定做什么的地方”。that和which引导定语从句时，在从句中作主语、宾语或表语。what引导名词性从句。
