You Are Going to Have a Blind Date with Someone

You are going to have a blind date with someone named Sam, and your friend says that Sam has testicles. Sam also feels feminine and prefers to have long hair and long, painted fingernails. What is true about Sam?

A) His biological sex is female.
B) His gender identity is that of a man.
C) His gender identity is that of a woman.
D) His gender is masculine.