Which of the Following Statements About Excretory Organs in Complex

Which of the following statements about excretory organs in complex multicellular animals is NOT true?

A) All of the materials that are removed from the blood during filtration will eventually be excreted.
B) Excretory systems are important for balancing both electrolyte and water levels in the body.
C) If organisms relied on molecule-specific active transport of wastes alone, then novel toxic compounds could not be excreted.
D) The process of excretion has more steps in complex multicellular animals with pressurized circulatory systems than in simple multicellular animals.
E) None of the answer options is false.