Which of the Following Best Explains the Meaning of the Term

Which of the following best explains the meaning of the term "glass ceiling"?

A) formal corporate policies that prevent women from receiving the training needed to advance their careers
B) spoken opinions by corporate leaders that women lack the knowledge and skills required for career advancement
C) structural yet subtle barriers in corporate environments that inhibit the rise of talented women to leadership positions
D) inadequate educational opportunities which ultimately limit the network opportunities available to women in the workforce