At a College in the United States a Female Runner

At a college in the United States a female runner was found to have XY sex chromosomes, lack ovaries and a uterus,and have internal testes that produce high levels of testosterone.
This runner may be described as being intersex because she

A) is biologically male but experiences personal distress about this assigned gender.
B) is biologically male but genetically female.
C) is biologically male but identifies as female.
D) does not clearly fall into the binary of being biologically male or biologically female.