A Manufacturing Company Dumps Its Wastes into a Nearby Pond

A manufacturing company dumps its wastes into a nearby pond. One of the wastes is found to paralyze the contractile vacuoles of certain protists. A biologist looking at individual samples of these organisms taken from the pond would find that they

A) have lost water and shrunk.
B) have gained water and burst.
C) have died of malnutrition.
D) have died because wastes have built up in the cytoplasm.