Compared to preindustrial times, the number of hours in the workweek in the nineteenth century

So với thời kỳtiền công nghiệp, sốgiờtrong tuần làm việc trong thếkỷXIX

A. không đổi                          B. giảm nhẹ                   C. giảm đáng kể                     D. tăng lên đáng kể

Thông tin: Modern comparison of the amount of work performed per week, however, began with theIndustrial Revolution (1760-1840) when 10 to 12-hour workdays with six workdays per week were the norm.

Chọn D