This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
16-year-old female presents with primary amen-orrhoea with B/L inguinal hernia. She has normal sexual development with no pubic hair. USG shows no uterus and ovaries and a blind vagina.Diagnosis is: 
Select and explain. 
A. Turner's syndrome, B. Mullerian agenesis, C. STAR syndrome, D. Androgen insensitivity syndrome
D: Androgen insensitivity syndrome
Answer: D: Androgen insensitivity syndrome 
Explanation: None