问题
选择题
Not until ________ the Internet ________ that the Chinese sailors were rescued by the European Union Task Force.
A．did I surf; did I know
B．did I surf; I knew
C．I surfed; did I know
D．I surfed; I had know
答案
答案：C
C 考查倒装。句意：直到我上了网才知道中国海员被欧盟工作组救了。not until引导的时间状语从句位于句首时，从句不倒装，主句倒装。故C项正确。