All but One of the Following Is True of the Glass

All but one of the following is true of the glass ceiling.Name the exception.

A) The barrier may be due to a lack of access to training programs,developmental job experiences and developmental relationships,such as mentoring
B) Research has found significant gender differences in access to job experiences involving transitions or creating change
C) The barrier may be due to stereotypes that hinder the development of women and minorities
D) Research shows male managers have received more assignments involving high levels of responsibility than female managers of similar ability and managerial level