What is the process used to remove excess water from the paramecium by the contractile vacuole?

A contractile vacuole works just the same as the name suggests, in that it expands and contracts. The point of the contractile vacuole is to pump water out of the cell through a process called osmoregulation, the regulation of osmotic pressure. It occurs in freshwater protists, but mainly in the kingdom Protista as a whole.

answer; the above statement is (true);

i believe the answer is c