The Radical Theory of Segmentation Emphasises the Importance of Which

The radical theory of segmentation emphasises the importance of which of the following?

A) the persistence of discrimination as a driver of labour market segmentation
B) the elimination of wage and employment competition between workers as these provide a dis-incentive to invest in on-the-job training
C) the creation of segmented labour markets as a response to the desire to minimise training costs
D) the creation of career ladders and rewards to firm tenure as a way of creating employment stability