What Makes the Preschool Years Especially Significant for Parents of Transgender

What makes the preschool years especially significant for parents of transgender children?

A) Transgender children typically show gender rigidity regarding their gender identity.
B) Parents have to decide what they will tell the school or child care facility about their child's gender identity.
C) Transgender children may be subjected to peer bullying at school or child care facilities.
D) All of the answer options are correct.