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 25 year old male patient complains of gap between his upper and lower front teeth. He was found to have an anterior open bite of 5 mm along with a tongue thrusting habit. Which speech difficulty is this patient most likely to suffer from? 
Select and explain. 
A. Distortion, B. Lisp, C. Difficulty in production of linguo-alveolar stops, D. Difficulty in production of labio-dental fricatives
B: Lisp
Answer: B: Lisp 
Explanation: None