Which of the Following Is True of Nerve Supply (Innervation)

Which of the following is true of nerve supply (innervation) of the pelvic floor complex?

A) Damage to the nerve supply of the pelvic floor complex during labor and delivery is one of the main contributors to organ prolapse.
B) There are multiple and varied innervations from inconsistent sacral levels that innervate this area.
C) The pudendal nerve is the sole innervation for the pelvic floor.
D) The nerve supply is at risk with a 4° episiotomy, often resulting in permanent paralysis of the anal sphincter.