Solution:Matching the thinkers with their fields of work:
A. Catherine MacKinnon - II: Pornography: A radical feminist, MacKinnon is known for her critique of pornography as a form of sexual subordination of women, arguing that it reinforces patriarchal domination.
B. Barbara K. Rothman - IV: Reproductive Technologies: Rothman is a sociologist and feminist who examined how reproductive technologies, including surrogacy and IVF, affect women's autonomy and control over their bodies.
C. Naila Kabeer - I: Women's Empowerment: An economist and social researcher, Kabeer is known for her work on gender equality, poverty, and development, especially focusing on women's agency and empowerment in South Asia.
D. Andrea O'Reilly - III: Motherhood: A leading scholar in motherhood studies, O'Reilly has explored the cultural, political, and personal dimensions of mothering, advocating for maternal empowerment and feminist mothering.
Correct match: A-II, B-IV, C-I, D-III.