Online learning requires some IT literacy, yet one in four adults in the OECD has not or limited experience of computers.

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问题 Online learning requires some IT literacy, yet one in four adults in the OECD has not or limited experience of computers.

选项 A、not or unlimited
B、no or unlimited
C、no or limited
D、not but limited

答案C

解析 这句话的意思是:网络学习要求具备一定的信息技术知识,然而经济合作与发展组织成员国每四名成人中就有一人从未接触过计算机或对其了解有限。此句中yet表示转折,前文提到IT literacy,后文意思应与前文不同。no为形容词,后面可以跟名词,相当于not any,此处不能用not,排除A、D项;B项中unlimited意义不符。因此答案为C。
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