This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
All are features of membarous urethral injury except 
Select and explain. 
A. Blood at meatus, B. Retension of urine, C. Pelvic fracture, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Injury of membranous urethra is usually associated with pelvic fractures d/t A. Its clinical features include blood in external meatus, failure or difficulty in passing urine , extravasation of urine to scrotum, perineum, abdominal wall. Reference : page1051-52 SRB's manual of surgery 5th edition