Bruce Reimer Was Born Biologically Male

Bruce Reimer was born biologically male.However,he underwent surgery as an infant to remove his penis after it was damaged and then was raised as a female.Later in life Bruce declared that he truly identified as a male.Bruce's story most clearly illustrates that gender identity is a result of

A) biology, which can override gender role socialization.
B) gender role socialization, which can override biology.
C) people being born transgender.
D) people becoming transgender due to environmental influences.