摘要： --When did you know the news? --I knew nothing about it my friend told me. A. after B. if C. until D. because

网址：http://m.1010jiajiao.com/timu_id_1342506[举报]

---When did you know the news?
---I knew nothing about it ________ my friend told me．

---When did you know the news?---I knew nothing about it ________ my friend told me．