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: Surgery
. During urethral catheterization in male patients, resistance is encountered at the following sites except- 
Select and explain. 
A. Base of navicular fossa, B. Mid-penile urethra, C. Urogenital diaphragm, D. Bulbomembranous junction
A: Base of navicular fossa
Answer: A: Base of navicular fossa 
Explanation: None