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Charles Babbage is generally considered the first computer. [ ] A.to inventB.inv

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Charles Babbage is generally considered the first computer. [ ] A.to inventB.inv

Charles Babbage is generally considered ________ the first computer.

[]

A.to inventB.inventingC.to have inventedD.having invented

试题答案

答案:C

解析:

导解:be consider to do“被认为做……”,另外由于invent动作在先,所以应用完成时.