C is the best answer but all are right
Wage slavery is a term used to draw an analogy between slavery and wage labor by focusing on similarities between owning and renting a person. It is usually used to refer to a situation where a person's livelihood depends on wages or a salary, especially when the dependence is total and immediate.
It caused Homelessness, Hunger in millions of families and people were left in the streets cold wrapped up in news paper.