Aclient's Complete Blood Count Shows a Hemoglobin of 200 G/L

Aclient's complete blood count shows a hemoglobin of 200 g/L and a hematocrit of 54%. Which of the following questions should the nurse ask to determine possible causes of this finding?

A) "Has there been any recent weight loss?"
B) "Do you have any problems with your vision?"
C) "What is your intake of fruits and vegetables?"
D) "Have you noticed any dark or bloody stools?"