When Upton Sinclair Wrote the Jungle, He Intended His Book

When Upton Sinclair wrote The Jungle, he intended his book to focus attention on the

A) unsanitary conditions that existed in the meat-packing industry.
B) plight of workers in the stockyards and meat-packing industry.
C) poor housing conditions in the urban slums.
D) use of chemical additives and preservatives in the meat industry.
E) unhealthy effects of beef consumption.