The correct response is:
The speaker uses antithesis to point out the difference between jobs that are considered acceptable for women to have and those that aren’t.
This technique effectively highlights the contrast between the traditional, often gendered roles women are expected to fill (such as secretaries, librarians, and teachers) versus the roles that are deemed unacceptable for them (such as managers, administrators, and Members of Congress). By using antithesis, Chisholm underscores the irrationality of these societal norms, supporting her overall argument for gender equality in the workplace.