Which of the Following Is Not a Criticism of the Davis-Moore

Which of the following is not a criticism of the Davis-Moore thesis?

A) In most societies,discrimination prevents many people from rising into elite positions.
B) The thesis does not account for the importance of market forces in determining salaries.
C) Often the children of social elites assume the same benefits as their parents,regardless of whether or not they are as skilled as their parents.
D) Social inequality has become far less extreme in recent years.