After graduation she reached a point in her career she had to decide what to do.A. thatB.

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：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。