The answer is "D. glass ceiling".
The glass ceiling is the undetectable barrier that keeps ladies and minorities from ascending to the most noteworthy positions in an enterprise. What you may not understand is exactly how unavoidable the unattainable rank still is, even quite a long while into the 21st century.
The glass ceiling effect is the inescapable protection from the endeavors of ladies and minorities to achieve the best positions of the board in real organizations. It is vague precisely who named the marvel, however the term was vigorously utilized amid the mid-1980s. Ladies who entered the workforce in expansive numbers amid the late 1970s and mid 1980s got themselves unfit to progress past a specific dimension of the executives.
