Charles Babbage is generally considered _____ the first computer. [ ]A. to invent B. inventing C. to

题目简介

Charles Babbage is generally considered _____ the first computer. [ ]A. to invent B. inventing C. to

题目详情

Charles Babbage is generally considered _____ the first computer.

A. to invent
B. inventing
C. to have invented
D. having invented
题型:单选题难度:中档来源:同步题

答案

C

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