The correct answer is B. The words in the sentence that help Susan B. Anthony to create a mocking tone are "the male citizens but we", as these words shows the reader that Anthony is using irony to critizice American society of that time, and the lack of rights that it granted to women. To do this, Anthony analyzes the text of the Preamble of the Constitution, criticizing that American society only included white men in the concept of "We, the People".