5. What aids there were to lighten labor were immemorial, like the mill, which was already ancient in Chaucer’s time.-湖北继续教育网网校

[单选题]5. What aids there were to lighten labor were immemorial, like the mill, which was already ancient in Chaucer’s time.

A像磨房一样的一些旨在减轻劳动强度的古代机械，在乔叟时代就已经是古董了。

B一些旨在减轻劳动强度的机器不知从何时代起就有了，比如磨房，在乔叟时代就已经是古董了。