This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
Commonest type of cleft lip is 
Select and explain. 
A. Cleft lip alone, B. Bilateral, C. Midline, D. Combined with cleft palate
D: Combined with cleft palate
Answer: D: Combined with cleft palate 
Explanation: Distribution of Cleft types Cleft lip alone - 15% Cleft lip & palate - 45% Isolated cleft palate - 40% Ref : Bailey & Love 25/e p657