Answer:
C. Middle-class salesman buys his family a home after 20 years of hard work.
Step-by-step explanation:
The American dream, a strange mixture of capitalist entrepreneurship, faith, a protestant work ethic, and optimism, speaks of the reveries of one who struggles through life and hard work and who, coming from nothing or from very little, eventually achieves great things for himself or for his offspring. This model clearly fits the answer provided above where a salesman is eventually capable to buy his family a home after years of hard work.