Final answer:
Gender inequality is present in Education, Healthcare, and Politics, collectively encompassing key societal structures where disparities between genders can be identified and addressed. The answer is option D.
Step-by-step explanation:
One area of gender inequality is seen in D) All of the above, which includes Education, Healthcare, and Politics. Forms of gender inequality are pervasive in society and manifest in various contexts. In education, functionalist theory recognizes that education serves the needs of the family, society, and the individual, but there still can be disparities in how genders are treated within the educational system.
Healthcare by gender reveals inequalities where women often face obstacles in accessing necessary healthcare services and may question the quality of healthcare they receive compared to men. Political institutions may contribute to gender inequality through policies that appear neutral but have roots in gender bias, such as the legislation concerning reproductive rights.