
Answer: D. Seminiferous tubules → Epididymis → Vas deferens → Ejaculatory duct → Urethra Â
Explanation:
In humans sperms are produced in the seminiferous tubules of the testis; and  stored momentarily in the epididymis . They swim through the  (paired )Vas deferens  to the single ejaculatory duct, to exist through the urethra  that runs the penis  length. The urethra is also the passage for urine.