I didn‘t finish my homework ______ my mother came back home.A sin_英语解答

I didn‘t finish my homework ______ my mother came back home.A since B because C until D after
填完后麻烦翻译出来句子的意思

人气：114 ℃　时间：2019-08-20 23:45:16

解答

C until not until的结构
知道母亲回家我才做完家庭作业.