It was not until she had arrived home（ ）remembered her appiontment with the doctor

题目

It was not until she had arrived home（ ）remembered her appiontment with the doctor
A when she B that she C and she D so that she

答案

B
it was not until that
直到...才...
“It is / was not until … that …”.译作“直到…才…”,它是“not … until …”的专用强调句型.