In Relationship to Gender, the Term "Transition" Refers to the Process

In relationship to gender, the term "transition" refers to the process of

A) No longer publicly living as a person of one gender and instead living publicly as a person of another gender
B) Using hormones to make a transperson's body better align with cultural expectations about their body-such as making a transman's voice lower.
C) Legally changing one's gender on birth certificates, driver's licenses, and other official documents
D) Surgically changing one's body to align better with cultural expectations of one's gender