一个高中英语单选题----高手进32、NotuntilIwasseatedthatAirChinaprovidedwirelessnetworkserviceforitspassengersonitsBeijing-Chengduflight.A：didIrealizeB：IdidrealizeC：IrealizeD：realizedI此题考查

Question

一个高中英语单选题----高手进
32、Not until I was seated _____ that Air China provided wireless network service for its passengers on its Beijing-Chengdu flight.
A：did I realize B：I did realize C：I realize D：realized I
此题考查知识点是什么?
最后请标准翻译,看不懂句子.

Answer 1

A .did I realize知识点是not.until 句型,意思是“直到.才.”这句话是倒装句,正常语序是：I didn't realize that Air China provided wireless network service for its passengers on its Beijing-Chengdu flight u...