Charles Babbage is generally considered the first computer. A. to inventB. inventing C. t

发布时间：2020-08-17 12:19:24

Charles Babbage is generally considered      the first puter.
A. to invent
B. inventing
C. to have invented
D. having invented

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A. to invent
B. inventing
(答案→)C. to have invented
D. having invented
解析：被动语态后用不定式连接，根据句意用完成式。
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