TOEFL 在线等翻译呀 谢谢！

He then set up experiments with caged starlings and found that their orientation was, in fact, in the proper migratory direction except when the sky was overcast, at which times there was no clear direction to their restless movements.

3. Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.
○ Experiments revealed that caged starlings displayed a lack of directional sense and restless movements.
○ Experiments revealed that caged starlings were unable to orient themselves in the direction of their normal migratory route.
○ Experiments revealed that the restless movement of caged starlings had no clear direction.
○ Experiments revealed that caged starlings' orientation was accurate unless the weather was overcast.

为何选D，要翻译解释一下哦

我懂了选D，但是原句子还希望翻译一下！！

于是，他对圈养的八哥做了实验，并发现除了在阴天和那些由于分不清方向而变得焦躁不安的时候，事实上，它们一直都处在正确的迁徙方向。

a.实验表明圈养八哥缺乏方向感，会焦躁不安
b.实验表明在它们正常的迁徙途中，圈养八哥没有能力来标定他们自己
c.实验表明圈养八哥的焦躁不安的是没有原因的
d.实验表明除了在阴天的时候，圈养八哥的方向是准确的

还望对你有帮助！！

○实验显示，笼中的八哥显示缺乏定向感和不安的动作。 ○实验显示，笼八哥无法定位自己在其正常的迁徙路线方向。 ○实验显示，躁动不安笼八哥运动，有没有明确的方向。 ○实验显示，除非天气是阴的，笼中八哥的方向是正确的。 只有D解释了在天气阴的状态下,方向是错误的.除非天气是阴的,要不就是正确的.

conclusion：婚后女人们照样可以从事实验室工作。

need not。。。。不必怎么样

keep from 让...远离。。。。

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