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Why could other inventors succeed in showing m

2022-08-07 15:52:44 问答库 阅读 182 次

问题详情

Why could other inventors succeed in showing motion pictures with their own devices?
A.Because they had a device called kinetoscope.
B.Because they asked Thomas Edison to help them.
C.Because they got a way of using their own devices.
D.Because Thomas Edison had successfully solved certain problems.请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:D
解析:文中第二段第二行中“Edison had solved certain problems, making it possible for other inventors move ahead with their own devices. ”给出了答案。

考点: