Which of These Questions Would Be Most Important for a Nurse

Which of these questions would be most important for a nurse to ask a patient in determining whether the patient has type 1 or type 2 diabetes?

A) "Have you been urinating in greater amounts than in the past?"
B) "Have you been drinking more liquids than in the past?"
C) "Have you been hungrier than in the past?"
D) "Have you noticed any changes in your vision?"