They lived in bitter disillusionment, to see the establishment t

They lived in bitter disillusionment, to see the establishment they had overthrown replaced by a new one, just as hard-faced and stuffy.划线单词的中文意思是（ ）。
A、幻想破灭，醒悟
B、建议者，支持者
C、社会习俗，惯例
D、不利因素，障碍
【正确答案】：A
【题目解析】：disillusionment：n.不再抱幻想，幻想破灭，醒悟句意：他们生活在极度的幻灭中，眼看着他们推翻的机构被一个新的机构所取代，而这个机构又是那么的顽固和呆板。