【題目】With time going by, we have come to realize that creativity is it takes to keep a nation highly competitive.

A. what B. how C. why D. that

【答案】A

【解析】

試題分析：考查名詞性從句。本題what引導(dǎo)表語(yǔ)從句what it takes to keep a nation highly competitive.并在句中做takes的賓語(yǔ)。句意：隨著時(shí)間的流逝，我們逐漸意識(shí)到創(chuàng)造性是讓一個(gè)國(guó)家有競(jìng)爭(zhēng)力需要的事情。故A正確。

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