There is ___________ as a free lunch.A.not such thingB.no such a thingC.no such thingD.such no thing
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C解析试题分析：原句意思，天下没有白吃的午餐。There is no such thing as a free lunch是固定用法。故选C。考点：固定用法的考查
点评：东西方的谚语一般都有固定的句型，平时要多阅读和积累这样的固定用法。例如：Practice makes perfect.熟能生巧。