The growing disparity between the rich and the poor has been a cause of global concern.

A. similar

B. diversity

C. segregation

D. inequality

Answer: Option D

Solution(By Examveda Team)

Similar : having a resemblance in appearance, character, or quantity, without being identical.
Diversity : the state of being diverse.
Segregation : the action or state of setting someone or something apart from others.
Inequality : difference in size, degree, circumstances, etc.; lack of equality.
Disparity : a great difference.

Synonym of Disparity is Inequality