问题补充：
After graduation she reached a point in her career she had 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：
D。where在此引导定语从句，修饰先行词point(不是career)，又如：We have reached a point where a change is needed. 我们到了必须改一改的地步。
