Below Is a List of Roadblocks to Building a Gender-Integrated

Below is a list of roadblocks to building a gender-integrated bathroom for an academic department at New York University. Which one is directly related to a policy?

A) the need to spend extra time and money on a brand-new restroom design
B) the belief that men were messier than women
C) women's discomfort with potential for male nudity and a fear of meeting strange men in close quarters during off-hours
D) the fact that the idea had to be approved by the Department of Buildings