Which of the following is true about management mentoring? a. Company mentoring programs that focus specifically on women and individuals of minority racial and ethnic backgrounds have been successful in some large firms. b. Female executives are reluctant to serve as mentors either to other women or to men because they themselves received little help. c. Mentors provide challenging work, coaching, visibility, protection, and sponsorship to their protgs in the redefinition stage of the mentoring relationship. d. Mentors and their protgs break up soon after the protg reaches the cultivation stage of the mentoring relationship