This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
The complication of diabetes which cannot be prevented by strict control of blood sugar is 
Select and explain. 
A. Amyotrophy, B. Nerve conductivity, C. Macular edema, D. Microalbuminuria
C: Macular edema
Answer: C: Macular edema 
Explanation: Answer- C. Macular edemaReduced nonproliferative and proliftrative retinopathyMicroalbuminuriaClinical nephropathyNeuropathyImproved glycemic control