Which of the following most logically completes the passage?

On the whole, scientists do their most creative work before age forty, a tendency that has been taken to show that aging carries with it a loss of creative capacity. An alternative explanation is that by age forty most scientists have worked in their field for fifteen or more years and that by then they have exhausted the opportunity for creative work in that field. Supporting this explanation is the finding that __________.


the average age of recipients of scientific research grants is significantly greater than forty

a disproportionately large number of the scientists who produce highly creative work beyond age forty entered their field at an older age than is common

many scientists temper their own expectations of what they can achieve in their research work by their belief that their creativity will decline as they age

scientists who are older than forty tend to find more satisfaction in other activities, such as teaching and mentoring, than they do in pursuing their own research

there is a similar diminution of creativity with age in nonscientific fields, such as poetry and musical composition

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情景：科学家一般不在40岁以后做高创造力的工作，这个事件显示年龄是导致创造力下降的因素。但是，40岁以后的科学家一般都在一个领域中很长时间了，因此，另外一种可能是科学家们在某一个领域中较长的时间导致创造力匮乏。

答案预估：

问题是让我们支持“科学家们在某一个领域中较长的时间导致创造力匮乏”。

选项分析：

A选项：拿到科技援助金的科学家平均年龄都明显大于40岁。无论40岁以后有没有援助金，都不能影响到他们是否要做创造性工作，所以本选项不能成为答案。

B选项：Correct. 那些过了40岁还在做高创新性动作的科学家比一般的科学家加入该领域都要晚。如果过了40岁还在做高创新性动作的科学家加入某领域比一般人都晚，自然可以确认是“科学家们在某一个领域中较长的时间导致创造力匮乏”。

C选项：科学家们是通过被他们认为的他们的创造性随着年龄而下降这个观点来调和自己对于科学领域的期望的。本选项没有提到推理文段中需要解释的部分。


D选项：科学家在40岁以后会发现一些比在科研项目中具有更大满足感的活动，比如导师或者教师。本选项没有提到推理文段中需要解释的部分。

E选项：在一些非科学领域中，比如作诗和作曲，也存在这种创造性随着年龄而下降的现象。本选项没有提到推理文段中需要解释的部分。

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Prep2008E2-CR
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