Which of the following statements about upward mobility in the late nineteenth century is the most ...

Which of the following statements about upward mobility in the late nineteenth century is the most accurate?
 
  A) Andrew Carnegie's rise from poverty to colossal wealth was typical of the opportunities open to immigrants in America.
  B) Few industrial leaders came from the privileged classes because they were too soft to make it in the world of competitive capitalism.
  C) Skilled workers had few opportunities to rise to the top in small companies.
  D) Immigrants who got ahead in the late nineteenth century were more likely to go from rags to respectability than from rags to riches.
  E) Middle class Americans tended to slide downward more often than rise upward in socio-economic rank.