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: Surgery
Best time for surgery in case of combined unilateral cleft lip
and hard palate is 
Select and explain. 
A. 15-18 months, B. 3 - 6 months, C. 6 - 9 months, D. 9- 15 months
A: 15-18 months
Answer: A: 15-18 months 
Explanation: If cleft is in hard palate surgery is done between 15-18 months.