However,whether such a sense of fairness evolved independently in capuchins and humans,or whether it stems from the common ancestor that the species had 35 million years ago,is ,as yet,an unanswered question.这个主语从句中的whether such a sense of fairness evolved independently in capuchins and humans是不是没有谓语可是并列成分后面是用的现在时态stems
问题描述：
However,whether such a sense of fairness evolved independently in capuchins and humans,or whether it stems from the common ancestor that the species had 35 million years ago,is ,as yet,an unanswered question.这个主语从句中的whether such a sense of fairness evolved independently in capuchins and humans是不是没有谓语
可是并列成分后面是用的现在时态stems
答
答案解析：主语从句成分： However, whether [such a sense of fairness 主语][evolved independently in 谓语][capuchins and humans宾语],or whether [it 主语][stems from谓语][ the common ancestor that the species had 35 million years ago宾语],is ,as yet,an unanswered question.
考试点：主语从句
知识点：