(Inventor) Elisha Graves Otis designed the first elevator (that it incorporated)

游客2024-01-05  24

问题 (Inventor) Elisha Graves Otis designed the first elevator (that it incorporated) an automatic brake, which in turn (led to) the (development) of the skyscraper.

选项 A、Inventor
B、that it incorporated
C、led to
D、development

答案 B

解析
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