This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Assessment of Growth, Subject name: Pediatrics
[{'content': "At what age a child's height is expected to be 100 cm? \nSelect and explain. \nA. 2 years, B. 3 years, C. 4 years, D. 5 years", 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANSWER: (C) 4 yearsREF: Essence of Paediatrics Prof. MR Khan 4th ed page 59, Clinical Pediatrics by D. N. Chatterjee page 18 A simple rough formula for calculation height from 2-14 years is:Height in inches = (2.5 x age in years) + 30* Thus the expected height at 4 year of age = (2.5 x 4) + 30 = 40 inches* As 1 inch = 2.5 cm, 40 inches = 100 cm', 'role': 'assistant'}]