Question

Not until________,_________.

A. did she take off, I realized       B. she took off, did I realize

C. did she take off, did I realize    D. she took off, I realized

Answer 1

B

解析:

句意：直到她摘下墨镜，我才意识到她是一位著名的电影明星。Not until引导的状语从句位于句首时，主句部分需部分倒装。