题目内容：

I ( ) to bed until my granny came back home.
RT、
A didn‘t go B went C had gone D have gone
说原因哈、

优质解答

A
not ...until...:直道.时候,才...;
如果按英语的格式,要把"才……" 变成否定句放在前面,“直到……时候”,放在后面,not...until...就成了：没有做……,直到……时候.