A Male Cat with a Urethral Obstruction Sometimes Cannot Be

A male cat with a urethral obstruction sometimes cannot be catheterized to relieve the blockage. In that case a veterinarian may recommend a perineal urethrostomy. Urethrostomy means:

A) incision into the urethra
B) excision of the tube connecting the urinary bladder to the outside
C) creation of a new permanent opening for the tube connecting the urinary bladder to The outside
D) surgical stabilization of the urethra
E) reconstruction of the ureters