What Behaviors Suggest That a Toddler Might Have an Early

What behaviors suggest that a toddler might have an early understanding of their own gender identity?

A) They seek out comfort from mother if a girl, but comfort from father if a boy
B) They apply the same gendered pronoun to everyone
C) They display greater interest in stereotypical own gender toys than other-gender toys
D) They act rough toward peers if a boy but gentle if a girl
E) They talk with their parents about the meaning of gender in their friendships