Which of the Following Generalizations Has Emerged from Research on Worker

Which of the following generalizations has emerged from research on worker militancy in various countries?

A) Left-wing political parties can help workers translate their grievances about work into criticisms of the larger society.
B) British workers have generally been more militant than French workers.
C) Participating in a strike usually has a significant long-term effect on workers' militancy.
D) Umbrella organizations like the Canadian Labour Congress (CLC) are effective in convincing union members to vote for left-wing political parties.