“从西至东,从北至南,……机械装置遍及四方, 世界获得了一种

“从西至东,从北至南,……机械装置遍及四方,

世界获得了一种新的动力,一个时代的风气如新世界的大河汹涌奔腾,不可阻挡。”(引自王觉非《英国近代史》)。材料描述的现象与下列哪一历史人物的贡献密切相关

      A.哈格里夫斯          B.瓦特              C.爱迪生         D.贝尔

答案

B

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