A Person Says, 'I Drink So Much Water Every Day-You'd

A person says, 'I drink so much water every day-you'd think I would have diarrhoea, not constipation!' What is an appropriate response for the nurse to make to this person?

A) 'Are you sure you're drinking as much as you think you are?'
B) 'Most of the water you drink is being lost from the body in your urine.'
C) 'Only about 1 litre of the water is retained in the stool. The rest is absorbed into the body.'
D) 'You are still dehydrated.'