What Will Happen to a Planarian If Their Cilia Were

What will happen to a planarian if their cilia were to cease functioning?

A) The cilia would cease propeling fluid through the nephridia and out of the body.This would prevent them from ridding the body of excess water and excreting metabolic wastes.
B) The cilia would cease propeling fluid through the excretory tubules and out of the body.This would prevent them from ridding the body of excess water and excreting metabolic wastes.
C) If the cilia ceased functioning then large amounts of excretory fluids would leak through the excretory tubules and out of the body.
D) The cilia would cease propeling fluid through the excretory tubules and into the body.This would cause them to rid the body of excess water and metabolic wastes.
E) The cilia would cease propeling fluid through the Malpighian tubules and out of the body.This would prevent them from ridding the body of excess water and excreting metabolic wastes.