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
A bicyclist suddenly applies brake and lands on his perineum on the cross bar of the bicycle on an attempt to urinate he develops marked swelling of scrotum. The structure most probably injured is 
Select and explain. 
A. Bladder, B. prostatic urethra, C. Spongy urethra, D. Membranous urethra
C: Spongy urethra
Answer: C: Spongy urethra 
Explanation: A bicyclist directly lands on his perineum leading to spongy urethrs / Bulbar urethral injury.