Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled $A, B, C, D.$

• A

  $A$ - ­Vas deferens, $B$ - ­Seminal vesicle,$C$ - ­Prostate, $D$ - Bulbourethral gland

• B

  $A$ - ­Vas deferens, $B$ - ­Seminal vesicle,$C$ - ­Bulbourethral gland, $D$ - ­Prostate

• C

  $A$ - ­Ureter, $B$ - ­Seminal vesicle,$C$ - ­Prostate,$D$ - ­Bulbourethral gland

• D

  $A$ - ­Ureter, $B$ - ­Prostate, $C$ - ­Seminal vesicle, $D$ - ­Bulbourethral gland