Correct answer: A. Because their housing, sanitation, unemployment, and living standards were also affected
Explanation: Industrial society affected workers both during working hours and in the wider conditions of everyday life. Rapid urbanisation often produced overcrowded housing, poor sanitation, unsafe water, disease, and unhealthy neighbourhoods. Workers could also face unemployment when factories reduced production or closed, while low wages limited food, education, healthcare, and decent shelter. Thus the social question included living standards as well as wages and factory conditions. Option A is correct because it includes the connected problems of housing, sanitation, unemployment, and general welfare. Options B and C contradict the historical experience of industrial workers. Option D is also incorrect because factories were generally owned by capitalists rather than by the workers who laboured in them.