[题目] basic first-aid techniques will help you respond quickly to emergencies.A.KnownB.Having knownC.KnowingD.Being known 题目和参考答案——青夏教育精英家教网—

【题目】_________basic first-aid techniques will help you respond quickly to emergencies.
A.Known
B.Having known
C.Knowing
D.Being known

【答案】C
【解析】句意：了解基本的急救知识可以让你尽快的回应紧急状况。分析句子成分，可知谓语是will help，所以前面的是主语，用动名词做主语，故选C项。

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