A 28 years， male， presents with history of pelvic fracture with posterior urethral injury 3 months ago. Patient is on suprapubic catheterization .The urethrography reveals bulbourethral and membranous urethral stricture about 5cm. The next treatment option is
A
urethral catheterization
B
urethroplasty
C
urethral anastomosis
D
early urethral reduction surgery
E
transurethral surgery