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: Anatomy
True about inguinal canal -a) It is an intermuscular canalb) Superficial inguinal ring is situated superior and lateral to pubic tuberclesc) Deep inguinal ring is superio-medial to attachment of rectus abdominisd) In male vas deference passes through it 
Select and explain. 
A. abc, B. ad, C. ac, D. bcd
B: ad
Answer: B: ad 
Explanation: Superficial inguinal ring is supero-medial to pubic tubercle.
Deep inguinal ring lies lateral to rectus abdominis, as an opening in fascia transversalis.