Sales Managers Who Are Mentored by Someone Inside the Company

Sales managers who are mentored by someone inside the company:

A) do not need as much supervision as other managers do
B) do not get promoted to higher-level management positions as rapidly as sales managers with mentors outside the company do
C) perform as well as their mentors do
D) perform better and are less likely to leave the company
E) perform better and move on to higher-paying jobs at other companies