To avoid the various foolish opinion, mankind is prone to thevarious foolish opinion, no superhuman genius is required.be prone to 是固定搭配, 有....的倾向... ; 易于....的 如上所分析, to which, which指代的是 the various foolish opinion 各种各样愚蠢的意见, to是和prone搭配. 若有疑问及时追问，如满意请点击下面的“选为满意答案”按钮，谢谢！O(∩_∩)O...
答案选to which这是定语从句，opinions是先行词，to which mankind are prone是定语从句，be prone to 是固定搭配，which在从句中充当to的宾语，to在这里只是提前了而已，这个从句也可以是这样的顺序which mankind are prone to...
be prone to sth， 在本例中be prone to the various foolish opinion1. 主句，to avoid the various foolish opinion, no superhuman genious is required.2. 从句 mankind is prone to the opinion,...
