An Example of What the Economist and Social Historian Thorstein

An example of what the economist and social historian Thorstein Veblen meant by "conspicuous consumption" is:

A) Mrs. Bradley Martin's costume ball.
B) an immigrant's purchase of bread.
C) the free services handed out by social reformers.
D) John D. Rockefeller's purchase of a competing company.
E) the social welfare services of European nations like Germany.