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.whatB.where为什么不选B,B也

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

不选B因为答语是人
不能用 where