3810When Otis came up with the idea of a lift， 查看材料A.h3554

When Otis came up with the idea of a lift， 查看材料 A.he sold it to the architects and builders immediately B.the Egyptians used it to build the Pyramids C.it was accepted favorably by the public D.most people had doubt about its safety 请帮忙给出正确答案和分析，谢谢！