定语从句：i'll never forget the village ____ i was born in A .where B.that Cwhich Dwhat

定语从句：i'll never forget the village ____ i was born in A .where B.that Cwhich Dwhat
i'll never forget the village ____ i was born in
A .where B.that Cwhich Dwhat
答案是which,我想知道为什么that不能选
3楼的能否再继续解释一下，我知道如果没有IN可以用where 我不明白的是为什么that不能选呢？