What Is the Thesis of Labor and Monopoly Capital by Harry

What is the thesis of Labor and Monopoly Capital by Harry Braverman?

A) that in order to maximize profits,capitalist firms and their managers should allow workers to decide how something should be done
B) that in order to maximize profits,capitalist firms and their managers are continually driven to reduce employees' ability to control what they do on the job
C) that in order to minimize costs,capitalist firms and their managers should allow workers to decide how something should be done
D) that in order to minimize costs,capitalist firms and their managers are continually driven to reduce employees' ability to control what they do on the job