I bought a new house last year,but i ____ my old house yet,so at the moment i have two houses

I bought a new house last year,but i ____ my old house yet,so at the moment i have two houses
A.didn't sell B.have not sold C.had not sold D.don'sell
选哪个和为啥？

I bought a new house last year,but i ____ my old house yet,so at the moment i have two houses
A.didn't sell B.have not sold C.had not sold D.don'sell
选B
我去年买了套新房，但我还没把旧房子卖掉，所以目前我有两套房。
根据at the moment 表目前，据此判断结果状语是到目前为止动词未完成，用haven't yet表示。

有提示点：1 yet,用于否定句中,意思是迄今为止、到那时 2 at the moment 意思是现在 看得出，这句话很强调现在的结果，用了一半的篇幅告诉你，我“现在”有俩房子，肯定是强调 现在 的状态 前面说，我之前买了个房子，但是“到现在为止我还没卖另一套”，这语意已经明显到这了，必然完成时啦 而且虽然不是百分百，但是yet还是与完成时搭配的最多的 希望对你有帮助哈