According to Paragraph 2, what is the general attitude towards business on campuses dominated by purer disciplines

A．They are usually self-centered.
B．They are aggressive and greedy.
C．They keep complaining about their jobs.
D．They are not good at dealing with people.

A．can climb the corporate ladder fairly quickly
B．quit their jobs once they are familiar with their workmates
C．receive salaries that do not match their professional training
D．cherish unrealistic expectations about their future