It Is Thought That the Most Important Source of Labour

It is thought that the most important source of labour market discrimination facing women is that:

A) White collar women reach the glass ceiling.
B) Women on average do not have the same levels of productive characteristics as men.
C) Women are often segregated into low-wage establishments and industries.
D) In many cases, women are not receiving equal pay for equal work.
E) None of the choices are correct.