According to Wysong and Perrucci, Which of the Following Is

According to Wysong and Perrucci, which of the following is NOT an attribute of people who have credentialed skill capital?

A) Those who attended elite universities, such as the Ivies, who use this education to climb career ladders.
B) People with specialized knowledge through work experience, training, or education.
C) Self-employed individuals who have fought their way through the working class, who have no employees to worry about, and can create their own businesses.
D) All of the above aptly describes people who have credentialized skill capital.