The answer would be parallel construction
<em>The statement that is not true in case the rule of gender is that </em><em>there are two, and only two, genders</em>
Option (a);
<u>EXPLANATION:</u>
Kate Bornstein was an American author and a gender theorist. Bornstein was a male by birth and got under gender affirmation surgery.According to the experience, Kate questioned the assumption of society on gender that there were only two genders.
Living in a transgender society, Kate made reviews on gender (gay and lesbian) papers in San Francisco. According to Kate, any community of gender could go under constant change and a person can shift his identity.
