Question

【题目】— When did you know the truth?— I didn't know it _________ Mary told me about it.

A.until
B.when
C.as soon as

Answer 1

【答案】A
【解析】句意：---你是什么时候知道真相的？---直到玛丽告诉我那的时候我才知道的。until直到；when当……时；as soon as一……就。句型：not……until直到……才……，根据句意，所以答案是A。