A Woman Who Does Not Do Femininity Finds Her Gender

A woman who does not do femininity finds her gender identity constantly questioned by suspicious clerks.Why is that?

A) Not doing gender in ways that make sense to others is a communicative crisis for these clerks;they don't know what to think or do in response.
B) Heterosexism is so widespread that store clerks automatically challenge anyone who looks homosexual.
C) Gender policing has become too extreme in U.S.society.
D) Good people always conform to gender rules as much as they can.