Take painted snipes for instance, ________the males are primary caregivers.
(A)on which
(B)which
(C)when
(D)where
我選B但答案是D，painted snipes不是名詞嗎？解答上寫where=in which，請問which跟i
n which有什麼差呢（有上網查過資料但還是沒有很懂><翻過文法書但裡面沒有提到這部
分）

Where後面加完整的句子S+V which直接加V

去年寫這題之後才知道in which = where