The correct option is B Passage 1 suggests that styles are constant, while Passage 2 argues that they are fluid.
Passage 1 argues that there are gender differences in styles of conversations and that we need to identify and understand them whereas passage 2 argues that men and women do not have contrasting styles of conversations. Both these passages state their arguments and provide facts to support them. In this context, D is, thus, the best answer to the given question.