What Book Brought to Light the Abuses in the U

What book brought to light the abuses in the U.S.meatpacking industry in the early twentieth century?

A) Ida Tarbell's The Octopus
B) Jane Weaver's For Whom the Bell Tolls
C) Upton Sinclair's The Jungle
D) Henry Adams' Not Here
E) Elizabeth Cady Stanton's Through My Eyes