Fatimah Is a Consultant Who Is Providing Advice for Company

Fatimah is a consultant who is providing advice for company that has recently expanded the number of females in its workforce. The company's HR department wants to make sure it understands the typical challenges faced by women in business so it can ensure it has measures in place to support female employees.
-Fatimah explains that women often face the problem of an unacknowledged barrier that prevents them from advancing to higher levels in their profession. This is referred to as______________ .

A) Vitamin W
B) the ego complex
C) nepotism
D) the glass ceiling
E) the gender gap