Take painted snipes for instance, ________the males are primary caregivers.
(A)on which
(B)which
(C)when
(D)where
我选B但答案是D，painted snipes不是名词吗？解答上写where=in which，请问which跟i
n which有什么差呢（有上网查过资料但还是没有很懂><翻过文法书但里面没有提到这部
分）

Where后面加完整的句子S+V which直接加V

去年写这题之后才知道in which = where