The Architecture of the Epididymis Is Such That

The architecture of the epididymis is such that

A) it forms an obstacle course which only allows the "fittest" sperm to pass through.
B) the spermatozoa pass through a single, convoluted tubule.
C) the spermatozoa pass through a complex network of tubules.
D) sperm bodies and tails join at the exit of the epididymis.
E) the most recently formed spermatozoa enter the vas deferens first.