---Where is John?---He________Beijing. He ________ come

---Where is John?
---He ________ Beijing. He ________ come back until next week.A.has been to；willB.has gone to; won’tC.has been to; won’tD.has gone to; will

B解析此题考查have been to和have gone to 的区别，以及固定短语not…until直到…才

就是这个解释