What is Thorstein Veblen's argument in The Theory of the Leisure Class?

A. The leisure class is unequal, which will cause the industrial class to rise up against them.
B. The leisure class has innate capabilities that they must teach to the working class to better society.
C. The leisure class must contain the working class to prevent them from becoming predators.
D. The leisure class contributes less to society than the working class because they only consume.