They are so unusual both in their talents and their accomplishments as to be considered rare exceptions. 回答


　A. 正因为他们既才智过人，又成就非凡，所以他们这样的例子少之又少。

　B. 他们的才华和成就都不一般，极少考虑别人。

　C. 他们是如此不同寻常的，被认为是罕见的例外。

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