Kenneth Worked in the Steel Industry in the Early 1900s

Kenneth worked in the steel industry in the early 1900s.Which most likely describes the amount of time Kenneth worked per week?

A) He was lucky to have the job at all and probably only workrd twenty hours per week.
B) He shared his job with another individual and worked thirty hours per week.
C) He worked a standard week of forty hours.
D) He worked over sixty hours a week.
E) He spent about sixteen hours a day, six days a week at the factory.