GWD-18-Q2

According to findings derived from functional magnetic resonance imaging (MRI), the area of the brain in which a second or third language is stored depends on the age of the language learner; whereas each language occupies a distinct area of the brain in an adult learner, language areas overlap in a young child.

A.      whereas each language occupies a distinct area of the brain in an adult learner,

B.       whereas for adults each language occupies a distinct area of the brain and

C.      each language occupies a distinct area of the brain when they are learned by an adult, while

D.      each language in adults occupied a distinct area of the brain, while

E.       each language occupying a distinct area of the brain for an adult learner, and

答案选A，我选了D，D为什么不对？另外想问一下whereas的用法，谢谢！

我的理解是这样，也不知道对不对~~

1。whereas是反之的意思，表转折，对比，是连词，跟句子

2。D中说language in adults，我觉得这个说法不恰当阿，language of adults 好些把，我觉得D改成 each language in adults' brains 就舒服多了……

个人意见，请NN指点

你看看这个时态是不是有问题

C.      each language occupies a distinct area of the brain when they指代有问题
                are learned by an adult, while

D.      each language in adults
                不合逻辑
                occupied a distinct area of the brain, while

E.       each language occupying a distinct area of the brain for an adult learner, and
                改原意

不晓得我这样的解题方法对不对…