Which of the Following Supports the Claim That Marx's Analysis

Which of the following supports the claim that Marx's analysis of capitalism is still largely valid?

A) Wealth remains highly concentrated, controlled by a small number of people.
B) Today's white-collar jobs offer more income, security, and satisfaction.
C) Few of the benefits enjoyed by today's workers came about through class conflict.
D) The law has helped ordinary people use the legal system as effectively as the wealthy.
E) There has been a socialist revolution in countries such as Canada.