It was not until she had finished all her work_____.
B
“itisnotuntilthat⋯⋯”是强调句型，“that”引导的从句用正常语序，而以“notuntil⋯⋯”开头的句子中谓语要用倒装形式。
Itwasnotuntilshehadfinishedallherwork_____.
Thedriverpulled_____atthetrafficlights.
Theteachergave_____theexaminationpaper.
I‘vebeentellingyou_____nottodothat，butyounevelistenedtome.That’swhyyougotintotrouble.
Idon‘tfeellike_____anythingnow.
