英语翻译
78.As a consequence,it may be prove difficult or impossible to establish for a successful revolution a comprehensive and trustworthy picture of those who participated ,or to answer even the most basic questions one might pose concerning the social origins of the insurgents.
先翻译中文，然后句子结构分析：找出主谓宾，然后把主语的修饰成分用括号括起来。大概是这样的。恩恩