A Patient with SIADH Is Upset About His Doctor's Order

A patient with SIADH is upset about his doctor's order for fluid restriction.Which explanation by the nurse is most appropriate?

A) "Your body is retaining too much water.Decreasing your intake, along with the other medicine you are receiving, helps correct the problem."
B) "Your kidney is not working as it should.Decreasing your fluid intake allows your kidney to rest."
C) "Rinse your mouth with salt water.It will help to decrease your thirst."
D) "Your IV fluids are providing you with the liquids you need.You should not be thirsty."