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: Dental
A sound which is most affected in patient of Class III
malocclusion? 
Select and explain. 
A. Linguoalveolar consonants, B. Sibilant sounds, C. Linguoalveolar fricatives, D. Labiodental fricatives
D: Labiodental fricatives
Answer: D: Labiodental fricatives 
Explanation: None