Charles Babbage is generally considered ______the first computer.

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问题 Charles Babbage is generally considered ______the first computer.

选项 A、to have invented
B、inventing
C、to invent
D、having invented

答案A

解析 consider作“考虑”讲时，后接动名词，但该题consider作“认为”讲，用consider sb．to do sth．结构。不定式的完成式作主语补足语，表示过去发生的事。

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