问题
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
B:did I surf; I knew
C:I surfed; did I know
D:I surfed; I had know
正确答案是: