Respuesta :

onedirectionrul
Check for high levels of blood sugar in urine, weight loss, and get blood tested.

Hope this helps!

Please mark Brainliest!

-Belle
CertifiedGoat

Answer: D.

Explanation: Glucose levels are only option that relates to realistic diagnosis

Rest of the answers-

a DNA analysis to identify genetic abnormalities

a physical exam to look for tumors

a study to observe David’s social behaviors

a test to check David’s glucose levels