选择:--Nobody knows ___ he was after he graduated from Beijing University.

问题描述:

选择:--Nobody knows ___ he was after he graduated from Beijing University.
---Nobody knows ___ he was after he graduated from Beijing University.
---But I was once told he was a doctor working in a far-away village.
A.what
B.where
为什么不选B,B也符合啊.

回答里面提到了“doctor”,说明询问的是身份,所以用what