The correct answer is A. Gender identity
Step-by-step explanation:
The term gender identity refers to the social construction or identity related to the roles, attributes, and behaviors of women and men or of the different genders that exist in a society. Because of this, gender identity is related to the way individuals identify or perceive their own genre and the way this gender fits into social behaviors, attributes and similar. Additionally to this, the gender identity can coincide with the gender assigned at birth or be different to it; also, nowadays it is considered the gender identity cannot be only classified into female and male, but there are multiple gender identities. Considering this, it can be concluded the people's or social acceptance of the roles and behaviors that are classified as male or female refers to gender identity.