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
Which of the following forms the content of anterior wall
of Inguinal canal 
Select and explain. 
A. Internal oblique muscle, B. Transverse abdominis muscle, C. External oblique muscle, D. Conjoint tendon
A: Internal oblique muscle
Answer: A: Internal oblique muscle 
Explanation: Anterior wall of Inguinal canal is formed by

External oblique aponeurosis
Internal oblique muscle