【Wax Xaw】評論
當時只要那個女孩的父母同意 , Daniel 就跟她結婚了.與過去事實相反的假設主詞+ should +have +pp ....+If +主詞+had+pp , would could mightagree-agreed-agreed所以選D
【YH Chen】評論
If S had Vpp(過去完成式), S would have Vpp 與過去事實相反假設If S Ved(過去式), S would/could/should/might V原 與現在事實相反假設