Charles Babbage is generally considered__the first computer.Ato invent Binventing Cto have invented答案是c为啥选它?
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首先要知道Charles Babbage 制造电脑这件事已经发生了，所以提到时要使用完成时，还有应该用 consider sb to do sth/ to have done sth 这个句型，不能够用doing 综合看就应该选c
Charles Babbage is generally considered__the first computer.Ato invent Binventing Cto have invented答案是c为啥选它?
首先要知道Charles Babbage 制造电脑这件事已经发生了，所以提到时要使用完成时，还有应该用 consider sb to do sth/ to have done sth 这个句型，不能够用doing 综合看就应该选c