Charles Babbage is generally considered ________ the first computer.
A.to inventB.inventingC.to have inventedD.having invented在线课程C
解析:
consider后接动名词作宾语,意思是“考虑”。consider后接带to的不定式作宾语补足语或主语补足语,意思是“认为”,分别构成consider sb.to do sth.和be considered to do sth.句型。如果表示过去发生的事情,动词不定式要用完成式。因为电脑是过去发明的,所以选择to have invented。
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