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: Pediatrics
A mother brings a child of 3 year to clinic with complaints of not feeding well. Doctor measures Mid-arm circumference of child using Shakir's tape and it is found to be 12cm. Under which category does the child fall into 
Select and explain. 
A. Normal nutrition, B. Severe malnutrition, C. Borderline malnutrition, D. Very severe malnutrition
C: Borderline malnutrition
Answer: C: Borderline malnutrition 
Explanation: Shakir's tape is divided into 3 coloured zones.
Green zone for MAC > 12.5 cm → Normal nutrition.
Yellow zone for MAC 11.5 - 12.5cm → Borderline malnutrition.
Red zone for MAC < 11.5cm → Severe malnutrition.