[单项选择]

Text 4
A recent history of the Chicago meat-packing industry and its workers examines how the industry grew from its appearance in the 1830’s through the early 1890’s. Meat-packers, the author argues, had good wages, working conditions, and prospects from advancement within the packinghouses and did not cooperate with labor agitators since labor relations were so harmonious. Because the history maintains that conditions were above standard for the year, the frequency of labor disputes, especially in the mid-1880’s, is not accounted for the work ignores the fact that the 1880’s were crucial years in American labor history, and that the packinghouse workers’ efforts were part of the national movement for labor reform.
In fact, other historical sources for the late nineteenth century record deteriorating housing and high disease and infant mortality rates in the industrial community, due to low wages and unhealthy working conditio
A. how historians should explain the origins of the conditions in the Chicago meat-packing industry,
B. why it is difficult to determine the actual nature of the conditions in the Chicago meat- packing industry.
C. why a particular account of the conditions in the Chicago meat-packing industry is inaccurate.
D. what should be included in any account of the Chicago meat-packers’ role in the national labor movement.