Which Factor Provides the Best Evidence That Transgender Individuals Are

Which factor provides the best evidence that transgender individuals are not yet accepted in American society?

A) They are not allowed to use public toilets.
B) They encounter much higher rates of hate crimes than homosexuals do.
C) Sex reassignment surgery can be done only outside of the United States.
D) Gender dysphoria is considered a mental illness.
E) Some people who have fully transitioned stop referring to themselves as transgender.