恳请帮忙分析一个英文句子的结构和成分,关于gre写作的

问题描述:

恳请帮忙分析一个英文句子的结构和成分,关于gre写作的
we are only behaving as animals must,Darwin would no doubt assert.
翻译是:达尔文肯定会说,我们只是在做动物必须做的事情罢了.

这句话就是Darwin would no doubt assert that we are only behaving as animals must.这里no doubt=undoubtedly,成分都为副词,修饰assert.