I didn't manage to do it _____you had explianed how.A.until

I didn't manage to do it _____you had explianed how.A.until I didn't manage to do it ____ you had explained how.A until i didn't manage to do it_____you had explanied how 一道英语选择题：I didn't manage to do it ____ you had explained how. I didn't manage to do it ___you had explained how. i didn't manage to do it 空格 you had explained it now ; a:unt I didn't realize how much time I had wasted until I began to I didn't know how to do it问题 I had to learn how to ask a shopkeeper for things I didn‘t k Alice didn't want her parents to know______ A how she had do It wasn't until nearly a month later() I received the manage _____you the truth,I didn't want to tell about it.