问题
选择题
Not until she took off her dark glasses ________ she was a famous film star.
A．I realised
B．that did I realise
C．did I realise
D．that I realised
答案
答案：C
考查倒装句，not until放在句首时，从句不倒装，主句倒装，句意是：直到她摘下眼镜我才意识到她是个著名的电影明星。选C。