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
The inguinal canal is NOT bounded posteriorly by -a) Transversalis fascia b)  Internal oblique tendonc) Conjoint tendond) Lacunar ligament 
Select and explain. 
A. bd, B. ab, C. acd, D. bcd
A: bd
Answer: A: bd 
Explanation: Inguinal canal- Posterior wall formation
-        Medial 2/3- Conjoint tendon and reflected part of inguinal ligament
-        Whole- Fascia transversalis, extraperitoneal connective tissue, parietal peritoneum.