Heroes are those who,given a choice between doing the right thing at great personal cost or the wrong thing for great personal benefit,
网友回答
是选A的.这个句子的主干是Heroes are those.
后面是who引导的定语从句,从句的主干是 who choose the former.这是主动形式啊.
given a choice between doing the right thing at great personal cost or the wrong thing for great personal benefit 这是从句的条件状语.
======以下答案可供参考======
供参考答案1:
这个句子主体是heroes are those who choose the former,其它选项填进去都不对
供参考答案2:
a 读读就出来了
供参考答案3:
怎么能学好英语啊 ！！！