Which Statement About an Excretory System Consisting of Malpighian Tubules

Which statement about an excretory system consisting of Malpighian tubules is false?

A) As ions move into the tubules, water moves out.
B) Uric acid is excreted from the rectum.
C) There is active transport of ions and uric acid into excretory system.
D) There is active transport of ions from hindgut back to extracellular fluid.
E) They allow insects to inhabit arid environments.