【题目】So sudden ________that the enemy had no time to escape.
A. did the attackB. the attack did
C. was the attackD. the attack was
在线课程【答案】C
【解析】
考查倒装句。句意：袭击是如此突然以至于敌人没有时间逃跑。sudden 是形容词作表语，缺系动词was，所以这是主系表结构，故排除A和B ，又因在so...that 句型中，so+ 形容词，前置时用部分倒装语序，故选C。