They were pushed into battle unprepared.他们毫无准备卷入了这场战争。
A unprepared B unpreparedly
C not preparing it D without preparing it
解析:答案选择A, unprepared adj.无准备的;没有预料的;措手不及的;没防备的
unprepared为形容词作状语,说明谓语动词动作发生时,主语作主语的状态
They were pushed into battle unprepared=They were unprepared when they were pushed into battle. 他们毫无准备卷入战争。
备注:提问网友把A答案拼写错误,正确应该是unprepared.