【题目】_____ he realized it was too late to return home.
A. No sooner it grew dark than
B. Hardly did it grow dark when
C. It was not until dark that
D. It was until dark that
在线课程【答案】C
【解析】试题分析：考查强调句型。是not ---until---的强调句型，It was/ not until +强调部分+that+其他。句意：直到天黑他才意识到天太晚而不能返回家了。故选C。