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[Sentence Correction]
试题详情
题目：
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he uickly built his own device from an organ pipe and spectacle lenses.
选项:
A、Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he
B、Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made,
C、Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he
D、Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,
E、Even though Galileo did not invent the telescope, but when he heard, in 1609, of such an optical instrument being made, he
答案:
A
提问：
A我上来就扔了，觉得那个he很多余啊，发起者没变过
解答：
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提问：
读完题，ＢＣＤ都扔了，在Ａ和Ｅ中选。最后感觉Ａ的on hearing 比 E的1609 更诡异。最后选的E
解答：
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