高人来解释一个关于leave on的英文句子~

高人来解释一个关于leave on的英文句子~-I heard that Mary and Jack got married.-That's true.They were married on Oct.1st,but they didn't leave on their honeymoon for a week.在此段对话中,but they didn't leave on their honeymoon for a week具体是啥意思呢?这是在听力材料听到的...以下是听力原题,仅供大家参考,所以,要从题目选项的角度翻译啊~What is true ahout Mary&Jake?A.They spent a week having honeymoon.B.They went on their honeymoon a week after their wedding.C.They thought a honeymoon of one week was too short.